diff --git a/c_glib/meson.build b/c_glib/meson.build
index 7c495d2..1291644 100644
--- a/c_glib/meson.build
+++ b/c_glib/meson.build
@@ -24,7 +24,7 @@
           'cpp_std=c++17',
         ])
 
-version = '15.0.0-SNAPSHOT'
+version = '15.0.0'
 if version.endswith('-SNAPSHOT')
   version_numbers = version.split('-')[0].split('.')
   version_tag = version.split('-')[1]
diff --git a/ci/scripts/PKGBUILD b/ci/scripts/PKGBUILD
index 674acc9..ae40ba4 100644
--- a/ci/scripts/PKGBUILD
+++ b/ci/scripts/PKGBUILD
@@ -18,7 +18,7 @@
 _realname=arrow
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=14.0.2.9000
+pkgver=15.0.0
 pkgrel=8000
 pkgdesc="Apache Arrow is a cross-language development platform for in-memory data (mingw-w64)"
 arch=("any")
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index d26e06a..d56f6a3 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -71,7 +71,7 @@
   cmake_policy(SET CMP0135 NEW)
 endif()
 
-set(ARROW_VERSION "15.0.0-SNAPSHOT")
+set(ARROW_VERSION "15.0.0")
 
 string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" ARROW_BASE_VERSION "${ARROW_VERSION}")
 
diff --git a/cpp/vcpkg.json b/cpp/vcpkg.json
index c0bf5dc..cb8f1ee 100644
--- a/cpp/vcpkg.json
+++ b/cpp/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "arrow",
-  "version-string": "15.0.0-SNAPSHOT",
+  "version-string": "15.0.0",
   "dependencies": [
     "abseil",
     {
diff --git a/csharp/Directory.Build.props b/csharp/Directory.Build.props
index ae6edda..046ac25 100644
--- a/csharp/Directory.Build.props
+++ b/csharp/Directory.Build.props
@@ -29,7 +29,7 @@
     <Product>Apache Arrow library</Product>
     <Copyright>Copyright 2016-2019 The Apache Software Foundation</Copyright>
     <Company>The Apache Software Foundation</Company>
-    <Version>15.0.0-SNAPSHOT</Version>
+    <Version>15.0.0</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/dev/tasks/homebrew-formulae/apache-arrow-glib.rb b/dev/tasks/homebrew-formulae/apache-arrow-glib.rb
index e29354d..8b66d03 100644
--- a/dev/tasks/homebrew-formulae/apache-arrow-glib.rb
+++ b/dev/tasks/homebrew-formulae/apache-arrow-glib.rb
@@ -29,7 +29,7 @@
 class ApacheArrowGlib < Formula
   desc "GLib bindings for Apache Arrow"
   homepage "https://arrow.apache.org/"
-  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-15.0.0-SNAPSHOT/apache-arrow-15.0.0-SNAPSHOT.tar.gz"
+  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-15.0.0/apache-arrow-15.0.0.tar.gz"
   sha256 "9948ddb6d4798b51552d0dca3252dd6e3a7d0f9702714fc6f5a1b59397ce1d28"
   license "Apache-2.0"
   head "https://github.com/apache/arrow.git", branch: "main"
diff --git a/dev/tasks/homebrew-formulae/apache-arrow.rb b/dev/tasks/homebrew-formulae/apache-arrow.rb
index 14d229b..fd00d9a 100644
--- a/dev/tasks/homebrew-formulae/apache-arrow.rb
+++ b/dev/tasks/homebrew-formulae/apache-arrow.rb
@@ -29,7 +29,7 @@
 class ApacheArrow < Formula
   desc "Columnar in-memory analytics layer designed to accelerate big data"
   homepage "https://arrow.apache.org/"
-  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-15.0.0-SNAPSHOT/apache-arrow-15.0.0-SNAPSHOT.tar.gz"
+  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-15.0.0/apache-arrow-15.0.0.tar.gz"
   sha256 "9948ddb6d4798b51552d0dca3252dd6e3a7d0f9702714fc6f5a1b59397ce1d28"
   license "Apache-2.0"
   head "https://github.com/apache/arrow.git", branch: "main"
diff --git a/docs/source/_static/versions.json b/docs/source/_static/versions.json
index 10e1794..d647709 100644
--- a/docs/source/_static/versions.json
+++ b/docs/source/_static/versions.json
@@ -1,16 +1,21 @@
 [
     {
-        "name": "15.0 (dev)",
+        "name": "16.0 (dev)",
         "version": "dev/",
         "url": "https://arrow.apache.org/docs/dev/"
     },
     {
-        "name": "14.0 (stable)",
+        "name": "15.0 (stable)",
         "version": "",
         "url": "https://arrow.apache.org/docs/",
         "preferred": true
     },
     {
+        "name": "14.0",
+        "version": "14.0/",
+        "url": "https://arrow.apache.org/docs/14.0/"
+    },
+    {
         "name": "13.0",
         "version": "13.0/",
         "url": "https://arrow.apache.org/docs/13.0/"
diff --git a/go/arrow/doc.go b/go/arrow/doc.go
index c8da330..7a5a495 100644
--- a/go/arrow/doc.go
+++ b/go/arrow/doc.go
@@ -36,7 +36,7 @@
 */
 package arrow
 
-const PkgVersion = "15.0.0-SNAPSHOT"
+const PkgVersion = "15.0.0"
 
 //go:generate go run _tools/tmpl/main.go -i -data=numeric.tmpldata type_traits_numeric.gen.go.tmpl type_traits_numeric.gen_test.go.tmpl array/numeric.gen.go.tmpl array/numericbuilder.gen.go.tmpl array/bufferbuilder_numeric.gen.go.tmpl
 //go:generate go run _tools/tmpl/main.go -i -data=datatype_numeric.gen.go.tmpldata datatype_numeric.gen.go.tmpl tensor/numeric.gen.go.tmpl tensor/numeric.gen_test.go.tmpl
diff --git a/go/parquet/writer_properties.go b/go/parquet/writer_properties.go
index 9e33bdd..686446f 100644
--- a/go/parquet/writer_properties.go
+++ b/go/parquet/writer_properties.go
@@ -46,7 +46,7 @@
 	DefaultStatsEnabled = true
 	// If the stats are larger than 4K the writer will skip writing them out anyways.
 	DefaultMaxStatsSize int64 = 4096
-	DefaultCreatedBy          = "parquet-go version 15.0.0-SNAPSHOT"
+	DefaultCreatedBy          = "parquet-go version 15.0.0"
 	DefaultRootName           = "schema"
 )
 
diff --git a/java/adapter/avro/pom.xml b/java/adapter/avro/pom.xml
index c0410ea..c8c322c 100644
--- a/java/adapter/avro/pom.xml
+++ b/java/adapter/avro/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/java/adapter/jdbc/pom.xml b/java/adapter/jdbc/pom.xml
index f95956d..132b1c2 100644
--- a/java/adapter/jdbc/pom.xml
+++ b/java/adapter/jdbc/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/java/adapter/orc/pom.xml b/java/adapter/orc/pom.xml
index a42a458..b374858 100644
--- a/java/adapter/orc/pom.xml
+++ b/java/adapter/orc/pom.xml
@@ -111,7 +111,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/java/algorithm/pom.xml b/java/algorithm/pom.xml
index 3e32d95..5adb172 100644
--- a/java/algorithm/pom.xml
+++ b/java/algorithm/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <artifactId>arrow-algorithm</artifactId>
   <name>Arrow Algorithms</name>
diff --git a/java/bom/pom.xml b/java/bom/pom.xml
index 5c2ed33..658dbee 100644
--- a/java/bom/pom.xml
+++ b/java/bom/pom.xml
@@ -20,7 +20,7 @@
 
   <groupId>org.apache.arrow</groupId>
   <artifactId>arrow-bom</artifactId>
-  <version>15.0.0-SNAPSHOT</version>
+  <version>15.0.0</version>
   <packaging>pom</packaging>
   <name>Arrow Bill of Materials</name>
   <description>Arrow Bill of Materials</description>
diff --git a/java/c/pom.xml b/java/c/pom.xml
index d66379d..2a92756 100644
--- a/java/c/pom.xml
+++ b/java/c/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/compression/pom.xml b/java/compression/pom.xml
index 9a9f029..f6949f7 100644
--- a/java/compression/pom.xml
+++ b/java/compression/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <artifactId>arrow-compression</artifactId>
   <name>Arrow Compression</name>
diff --git a/java/dataset/pom.xml b/java/dataset/pom.xml
index 7d60927..d4d3e2c 100644
--- a/java/dataset/pom.xml
+++ b/java/dataset/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/flight/flight-core/pom.xml b/java/flight/flight-core/pom.xml
index 8f41d2b..73bbd95 100644
--- a/java/flight/flight-core/pom.xml
+++ b/java/flight/flight-core/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>arrow-flight</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/java/flight/flight-grpc/pom.xml b/java/flight/flight-grpc/pom.xml
index af765f8..4a0a17c 100644
--- a/java/flight/flight-grpc/pom.xml
+++ b/java/flight/flight-grpc/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-flight</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/java/flight/flight-integration-tests/pom.xml b/java/flight/flight-integration-tests/pom.xml
index bb4f6a6..60361b3 100644
--- a/java/flight/flight-integration-tests/pom.xml
+++ b/java/flight/flight-integration-tests/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>arrow-flight</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/java/flight/flight-sql-jdbc-core/pom.xml b/java/flight/flight-sql-jdbc-core/pom.xml
index 6c57795..395261f 100644
--- a/java/flight/flight-sql-jdbc-core/pom.xml
+++ b/java/flight/flight-sql-jdbc-core/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <artifactId>arrow-flight</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/java/flight/flight-sql-jdbc-driver/pom.xml b/java/flight/flight-sql-jdbc-driver/pom.xml
index a8e55ea..335f595 100644
--- a/java/flight/flight-sql-jdbc-driver/pom.xml
+++ b/java/flight/flight-sql-jdbc-driver/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <artifactId>arrow-flight</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/java/flight/flight-sql/pom.xml b/java/flight/flight-sql/pom.xml
index 3ddc175..7a1519e 100644
--- a/java/flight/flight-sql/pom.xml
+++ b/java/flight/flight-sql/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>arrow-flight</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/java/flight/pom.xml b/java/flight/pom.xml
index 7ddda94..0567bb2 100644
--- a/java/flight/pom.xml
+++ b/java/flight/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/format/pom.xml b/java/format/pom.xml
index 3f58131..9436522 100644
--- a/java/format/pom.xml
+++ b/java/format/pom.xml
@@ -15,7 +15,7 @@
 <parent>
   <artifactId>arrow-java-root</artifactId>
   <groupId>org.apache.arrow</groupId>
-  <version>15.0.0-SNAPSHOT</version>
+  <version>15.0.0</version>
 </parent>
 
 <artifactId>arrow-format</artifactId>
diff --git a/java/gandiva/pom.xml b/java/gandiva/pom.xml
index 128fa15..bb89d7f 100644
--- a/java/gandiva/pom.xml
+++ b/java/gandiva/pom.xml
@@ -14,7 +14,7 @@
     <parent>
       <groupId>org.apache.arrow</groupId>
       <artifactId>arrow-java-root</artifactId>
-      <version>15.0.0-SNAPSHOT</version>
+      <version>15.0.0</version>
     </parent>
 
     <groupId>org.apache.arrow.gandiva</groupId>
diff --git a/java/maven/module-info-compiler-maven-plugin/pom.xml b/java/maven/module-info-compiler-maven-plugin/pom.xml
index ce598fc..ee38483 100644
--- a/java/maven/module-info-compiler-maven-plugin/pom.xml
+++ b/java/maven/module-info-compiler-maven-plugin/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.arrow.maven.plugins</groupId>
     <artifactId>arrow-maven-plugins</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <artifactId>module-info-compiler-maven-plugin</artifactId>
   <packaging>maven-plugin</packaging>
diff --git a/java/maven/pom.xml b/java/maven/pom.xml
index 56f3c4c..b1158e1 100644
--- a/java/maven/pom.xml
+++ b/java/maven/pom.xml
@@ -17,7 +17,7 @@
   -->
   <groupId>org.apache.arrow.maven.plugins</groupId>
   <artifactId>arrow-maven-plugins</artifactId>
-  <version>15.0.0-SNAPSHOT</version>
+  <version>15.0.0</version>
   <name>Arrow Maven Plugins</name>
   <packaging>pom</packaging>
 
diff --git a/java/memory/memory-core/pom.xml b/java/memory/memory-core/pom.xml
index 8f28699..dbd9b16 100644
--- a/java/memory/memory-core/pom.xml
+++ b/java/memory/memory-core/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/memory-netty/pom.xml b/java/memory/memory-netty/pom.xml
index e625cbe..b7592e4 100644
--- a/java/memory/memory-netty/pom.xml
+++ b/java/memory/memory-netty/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/memory-unsafe/pom.xml b/java/memory/memory-unsafe/pom.xml
index 9f81373..4ccb0a3 100644
--- a/java/memory/memory-unsafe/pom.xml
+++ b/java/memory/memory-unsafe/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/pom.xml b/java/memory/pom.xml
index c10263b..6e40158 100644
--- a/java/memory/pom.xml
+++ b/java/memory/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <artifactId>arrow-memory</artifactId>
   <name>Arrow Memory</name>
diff --git a/java/performance/pom.xml b/java/performance/pom.xml
index 13300c2..9a2a29d 100644
--- a/java/performance/pom.xml
+++ b/java/performance/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
     </parent>
     <artifactId>arrow-performance</artifactId>
     <packaging>jar</packaging>
diff --git a/java/pom.xml b/java/pom.xml
index 6b7192f..a832857 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -20,7 +20,7 @@
 
   <groupId>org.apache.arrow</groupId>
   <artifactId>arrow-java-root</artifactId>
-  <version>15.0.0-SNAPSHOT</version>
+  <version>15.0.0</version>
   <packaging>pom</packaging>
 
   <name>Apache Arrow Java Root POM</name>
diff --git a/java/tools/pom.xml b/java/tools/pom.xml
index 8df436b..0f81323 100644
--- a/java/tools/pom.xml
+++ b/java/tools/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>15.0.0-SNAPSHOT</version>
+        <version>15.0.0</version>
     </parent>
     <artifactId>arrow-tools</artifactId>
     <name>Arrow Tools</name>
diff --git a/java/vector/pom.xml b/java/vector/pom.xml
index 17d8f31..6310306 100644
--- a/java/vector/pom.xml
+++ b/java/vector/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>15.0.0-SNAPSHOT</version>
+    <version>15.0.0</version>
   </parent>
   <artifactId>arrow-vector</artifactId>
   <name>Arrow Vectors</name>
diff --git a/js/package.json b/js/package.json
index d1346eb..38e61ce 100644
--- a/js/package.json
+++ b/js/package.json
@@ -121,5 +121,5 @@
   "engines": {
     "node": ">=12.0"
   },
-  "version": "15.0.0-SNAPSHOT"
+  "version": "15.0.0"
 }
diff --git a/matlab/CMakeLists.txt b/matlab/CMakeLists.txt
index 47d2acd..f7f10a7 100644
--- a/matlab/CMakeLists.txt
+++ b/matlab/CMakeLists.txt
@@ -94,7 +94,7 @@
 
 set(CMAKE_CXX_STANDARD 17)
 
-set(MLARROW_VERSION "15.0.0-SNAPSHOT")
+set(MLARROW_VERSION "15.0.0")
 string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" MLARROW_BASE_VERSION "${MLARROW_VERSION}")
 
 project(mlarrow VERSION "${MLARROW_BASE_VERSION}")
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 2df1e67..a24e815 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -21,7 +21,7 @@
 cmake_minimum_required(VERSION 3.16)
 project(pyarrow)
 
-set(PYARROW_VERSION "15.0.0-SNAPSHOT")
+set(PYARROW_VERSION "15.0.0")
 string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" PYARROW_BASE_VERSION "${PYARROW_VERSION}")
 
 # Running from a Python sdist tarball
diff --git a/python/setup.py b/python/setup.py
index 51eb40a..eb9f72a 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -407,7 +407,7 @@
 
 # If the event of not running from a git clone (e.g. from a git archive
 # or a Python sdist), see if we can set the version number ourselves
-default_version = '15.0.0-SNAPSHOT'
+default_version = '15.0.0'
 if (not os.path.exists('../.git') and
         not os.environ.get('SETUPTOOLS_SCM_PRETEND_VERSION')):
     os.environ['SETUPTOOLS_SCM_PRETEND_VERSION'] = \
diff --git a/r/DESCRIPTION b/r/DESCRIPTION
index 4acd212..c9887e3 100644
--- a/r/DESCRIPTION
+++ b/r/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: arrow
 Title: Integration to 'Apache' 'Arrow'
-Version: 14.0.2.9000
+Version: 15.0.0
 Authors@R: c(
     person("Neal", "Richardson", email = "neal.p.richardson@gmail.com", role = c("aut")),
     person("Ian", "Cook", email = "ianmcook@gmail.com", role = c("aut")),
diff --git a/r/NEWS.md b/r/NEWS.md
index ca062b0..4ac57b2 100644
--- a/r/NEWS.md
+++ b/r/NEWS.md
@@ -17,7 +17,7 @@
   under the License.
 -->
 
-# arrow 14.0.2.9000
+# arrow 15.0.0
 
 # arrow 14.0.2
 
diff --git a/r/pkgdown/assets/versions.json b/r/pkgdown/assets/versions.json
index 35a1ef3..0b7f988 100644
--- a/r/pkgdown/assets/versions.json
+++ b/r/pkgdown/assets/versions.json
@@ -1,13 +1,17 @@
 [
     {
-        "name": "14.0.2.9000 (dev)",
+        "name": "15.0.0.9000 (dev)",
         "version": "dev/"
     },
     {
-        "name": "14.0.2 (release)",
+        "name": "15.0.0 (release)",
         "version": ""
     },
     {
+        "name": "14.0.2",
+        "version": "14.0/"
+    },
+    {
         "name": "13.0.0.1",
         "version": "13.0/"
     },
diff --git a/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb b/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
index 8551b64..3341f9c 100644
--- a/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
+++ b/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowCUDA
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb b/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
index acfdd67..004476e 100644
--- a/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
+++ b/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowDataset
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow-flight-sql/lib/arrow-flight-sql/version.rb b/ruby/red-arrow-flight-sql/lib/arrow-flight-sql/version.rb
index 3354678..79a3188 100644
--- a/ruby/red-arrow-flight-sql/lib/arrow-flight-sql/version.rb
+++ b/ruby/red-arrow-flight-sql/lib/arrow-flight-sql/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowFlightSQL
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow-flight/lib/arrow-flight/version.rb b/ruby/red-arrow-flight/lib/arrow-flight/version.rb
index f2141a6..893ce3e 100644
--- a/ruby/red-arrow-flight/lib/arrow-flight/version.rb
+++ b/ruby/red-arrow-flight/lib/arrow-flight/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowFlight
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow/lib/arrow/version.rb b/ruby/red-arrow/lib/arrow/version.rb
index 235a7df..fa2dbb2 100644
--- a/ruby/red-arrow/lib/arrow/version.rb
+++ b/ruby/red-arrow/lib/arrow/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Arrow
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-gandiva/lib/gandiva/version.rb b/ruby/red-gandiva/lib/gandiva/version.rb
index 6a1835f..11e92a4 100644
--- a/ruby/red-gandiva/lib/gandiva/version.rb
+++ b/ruby/red-gandiva/lib/gandiva/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Gandiva
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-parquet/lib/parquet/version.rb b/ruby/red-parquet/lib/parquet/version.rb
index c5a945c..13a12b6 100644
--- a/ruby/red-parquet/lib/parquet/version.rb
+++ b/ruby/red-parquet/lib/parquet/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Parquet
-  VERSION = "15.0.0-SNAPSHOT"
+  VERSION = "15.0.0"
 
   module Version
     numbers, TAG = VERSION.split("-")