Merge pull request #22 from pjfanning/log4j-2.18.0

diff --git a/README.md b/README.md
index d0779c6..ed79531 100644
--- a/README.md
+++ b/README.md
@@ -20,8 +20,8 @@
 ```scala
 libraryDependencies ++= Seq(
   "org.apache.logging.log4j" %% "log4j-api-scala" % "12.1",
-  "org.apache.logging.log4j" % "log4j-api" % "2.17.2",
-  "org.apache.logging.log4j" % "log4j-core" % "2.17.2" % Runtime
+  "org.apache.logging.log4j" % "log4j-api" % "2.18.0",
+  "org.apache.logging.log4j" % "log4j-core" % "2.18.0" % Runtime
 )
 ```
 
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index ea5a63d..9a1deac 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -26,7 +26,7 @@
   def scalaReflect(version: String) =
     if (version.startsWith("3")) None else Some("org.scala-lang" % "scala-reflect" % version)
 
-  private val log4jV = "2.17.2"
+  private val log4jV = "2.18.0"
   val osgiCoreApi      = "org.osgi" % "org.osgi.core" % "6.0.0" % Provided
   val log4jApi         = "org.apache.logging.log4j" % "log4j-api" % log4jV
   val log4jApiTests    = "org.apache.logging.log4j" % "log4j-api" % log4jV % Test classifier "tests"
diff --git a/src/asciidoctor/download.adoc b/src/asciidoctor/download.adoc
index d5dde26..e096815 100644
--- a/src/asciidoctor/download.adoc
+++ b/src/asciidoctor/download.adoc
@@ -77,6 +77,6 @@
 ----
 libraryDependencies ++= Seq(
   "org.apache.logging.log4j" %% "log4j-api-scala" % "{project-version}",
-  "org.apache.logging.log4j" % "log4j-core" % "2.17.2" % Runtime
+  "org.apache.logging.log4j" % "log4j-core" % "2.18.0" % Runtime
 )
 ----