diff --git a/test/Dockerfile.jammy b/test/Dockerfile.jammy
index ce5310df3c..66e36c755d 100644
--- a/test/Dockerfile.jammy
+++ b/test/Dockerfile.jammy
@@ -158,7 +158,7 @@ FROM build as test-ruby
 # renovate: datasource=github-releases packageName=containerbase/ruby-prebuild versioning=ruby
 RUN install-tool ruby 3.2.3
 # renovate: datasource=rubygems versioning=ruby
-RUN install-tool bundler 2.5.6
+RUN install-tool bundler 2.5.7
 # renovate: datasource=rubygems versioning=ruby
 RUN install-tool cocoapods 1.15.2
 
diff --git a/test/ruby/Dockerfile b/test/ruby/Dockerfile
index 585e3e2728..c157dbe9de 100644
--- a/test/ruby/Dockerfile
+++ b/test/ruby/Dockerfile
@@ -50,7 +50,7 @@ RUN ruby --version
 RUN gem env
 
 # renovate: datasource=rubygems depName=bundler
-ENV BUNDLER_VERSION=2.5.6
+ENV BUNDLER_VERSION=2.5.7
 RUN gem install bundler -v $BUNDLER_VERSION
 
 RUN bundle env
@@ -92,7 +92,7 @@ FROM build as test-bundler-c
 USER 1000
 
 # renovate: datasource=rubygems depName=bundler
-ENV BUNDLER_VERSION=2.5.6
+ENV BUNDLER_VERSION=2.5.7
 RUN install-tool bundler
 
 RUN set -ex; \
@@ -113,7 +113,7 @@ RUN set -ex; \
 FROM build as test-bundler-d
 
 # renovate: datasource=rubygems depName=bundler
-ENV BUNDLER_VERSION=2.5.6
+ENV BUNDLER_VERSION=2.5.7
 RUN install-tool bundler
 
 RUN set -ex; ls -la /usr/local/bin/; [ $(stat --format '%u' "/usr/local/bin/bundler") -eq 1000 ]
@@ -124,7 +124,7 @@ USER 1000
 RUN install-tool ruby 3.1.0
 
 # renovate: datasource=rubygems depName=bundler
-ENV BUNDLER_VERSION=2.5.6
+ENV BUNDLER_VERSION=2.5.7
 RUN install-tool bundler
 
 
diff --git a/test/ruby/Dockerfile.arm64 b/test/ruby/Dockerfile.arm64
index b376355993..03cdcbf69a 100644
--- a/test/ruby/Dockerfile.arm64
+++ b/test/ruby/Dockerfile.arm64
@@ -33,7 +33,7 @@ RUN install-tool ruby 3.2.3
 FROM test-ruby as test-bundler
 
 # renovate: datasource=rubygems versioning=ruby
-RUN install-tool bundler 2.5.6
+RUN install-tool bundler 2.5.7
 
 #--------------------------------------
 # Image: cocoapods