diff --git a/META.json b/META.json
index 749c802..e967c58 100644
--- a/META.json
+++ b/META.json
@@ -1,7 +1,7 @@
 {
    "name": "datasketches",
    "abstract": "approximate algorithms for big data analysis",
-   "version": "1.3.0",
+   "version": "1.5.0",
    "maintainer": [
      "Apache DataSketches <issues@datasketches.apache.org>",
      "Sketches User List <sketches-user@googlegroups.com>"
@@ -11,27 +11,27 @@
       "cpc_sketch": {
          "abstract": "CPC sketch for approximate distinct counting",
          "file": "sql/datasketches_cpc_sketch.sql",
-         "version": "1.3.0"
+         "version": "1.5.0"
       },
       "theta_sketch": {
          "abstract": "Theta sketch for approximate distinct counting with set operations",
          "file": "sql/datasketches_theta_sketch.sql",
-         "version": "1.3.0"
+         "version": "1.5.0"
       },
       "hll_sketch": {
          "abstract": "HLL sketch for approximate distinct counting",
          "file": "sql/datasketches_hll_sketch.sql",
-         "version": "1.3.0"
+         "version": "1.5.0"
       },
       "kll_float_sketch": {
          "abstract": "KLL quantiles sketch for approximating distributions of float values (quanitles, ranks, histograms)",
          "file": "sql/datasketches_kll_float_sketch.sql",
-         "version": "1.3.0"
+         "version": "1.5.0"
       },
       "frequent_strings_sketch": {
          "abstract": "frequent items sketch for approximate computation of the most frequent strings",
          "file": "sql/datasketches_frequent_strings_sketch.sql",
-         "version": "1.3.0"
+         "version": "1.5.0"
       }
    },
    "resources": {
diff --git a/datasketches.control b/datasketches.control
index 0b72b3a..0c1794c 100644
--- a/datasketches.control
+++ b/datasketches.control
@@ -1,5 +1,5 @@
 # DataSketches extension
 comment = 'Aggregation functions and data types for approximate algorithms'
-default_version = '1.3.0'
+default_version = '1.5.0'
 relocatable = true
 module_pathname = '$libdir/datasketches'
diff --git a/package.sh b/package.sh
index ccba238..887020a 100755
--- a/package.sh
+++ b/package.sh
@@ -32,7 +32,7 @@
 fi
 
 # version of datasketches-cpp core library to include
-CORETAG=3.0.0
+CORETAG=3.1.0
 
 # boost version to include
 BOOSTVER=1.76.0