diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index bdd6867..48a172f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -32,7 +32,7 @@ jobs:
       - name: test
         env:
           version: ${{ matrix.version }}
-          expectedGroovyVersion: 4.0.22
+          expectedGroovyVersion: 4.0.23
         run: |
           cd test
           ./run.sh "groovy:${version}" "${expectedGroovyVersion}"
diff --git a/jdk11-alpine/Dockerfile b/jdk11-alpine/Dockerfile
index ffe6433..019aff9 100644
--- a/jdk11-alpine/Dockerfile
+++ b/jdk11-alpine/Dockerfile
@@ -19,7 +19,7 @@ VOLUME /home/groovy/.groovy/grapes
 
 WORKDIR /home/groovy
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Installing build dependencies" \
     && apk add --no-cache --virtual .build-deps \
diff --git a/jdk11/Dockerfile b/jdk11/Dockerfile
index 66c4357..03aebc8 100644
--- a/jdk11/Dockerfile
+++ b/jdk11/Dockerfile
@@ -29,7 +29,7 @@ RUN set -o errexit -o nounset \
         wget \
     && rm --recursive --force /var/lib/apt/lists/*
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Downloading Groovy" \
     && wget --no-verbose --output-document=groovy.zip "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip" \
diff --git a/jdk17-alpine/Dockerfile b/jdk17-alpine/Dockerfile
index 3512787..94b2b02 100644
--- a/jdk17-alpine/Dockerfile
+++ b/jdk17-alpine/Dockerfile
@@ -19,7 +19,7 @@ VOLUME /home/groovy/.groovy/grapes
 
 WORKDIR /home/groovy
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Installing build dependencies" \
     && apk add --no-cache --virtual .build-deps \
diff --git a/jdk17/Dockerfile b/jdk17/Dockerfile
index 0bf082f..ee491ce 100644
--- a/jdk17/Dockerfile
+++ b/jdk17/Dockerfile
@@ -29,7 +29,7 @@ RUN set -o errexit -o nounset \
         wget \
     && rm --recursive --force /var/lib/apt/lists/*
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Downloading Groovy" \
     && wget --no-verbose --output-document=groovy.zip "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip" \
diff --git a/jdk21-alpine/Dockerfile b/jdk21-alpine/Dockerfile
index 435a6a0..63b62ff 100644
--- a/jdk21-alpine/Dockerfile
+++ b/jdk21-alpine/Dockerfile
@@ -19,7 +19,7 @@ VOLUME /home/groovy/.groovy/grapes
 
 WORKDIR /home/groovy
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Installing build dependencies" \
     && apk add --no-cache --virtual .build-deps \
diff --git a/jdk21/Dockerfile b/jdk21/Dockerfile
index 2b1cae9..71fcedf 100644
--- a/jdk21/Dockerfile
+++ b/jdk21/Dockerfile
@@ -29,7 +29,7 @@ RUN set -o errexit -o nounset \
         wget \
     && rm --recursive --force /var/lib/apt/lists/*
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Downloading Groovy" \
     && wget --no-verbose --output-document=groovy.zip "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip" \
diff --git a/jdk8/Dockerfile b/jdk8/Dockerfile
index d9d7676..baa1036 100644
--- a/jdk8/Dockerfile
+++ b/jdk8/Dockerfile
@@ -29,7 +29,7 @@ RUN set -o errexit -o nounset \
         wget \
     && rm --recursive --force /var/lib/apt/lists/*
 
-ENV GROOVY_VERSION=4.0.22
+ENV GROOVY_VERSION=4.0.23
 RUN set -o errexit -o nounset \
     && echo "Downloading Groovy" \
     && wget --no-verbose --output-document=groovy.zip "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip" \