diff --git a/test/Dockerfile.bionic b/test/Dockerfile.bionic
index e2623b00a..e2535eea4 100644
--- a/test/Dockerfile.bionic
+++ b/test/Dockerfile.bionic
@@ -82,7 +82,7 @@ RUN install-tool poetry 1.1.12
 # renovate: datasource=github-releases lookupName=containerbase/ruby-prebuild versioning=ruby
 RUN install-tool ruby 3.1.0
 # renovate: datasource=rubygems versioning=ruby
-RUN install-tool bundler 2.3.6
+RUN install-tool bundler 2.3.7
 # renovate: datasource=rubygems versioning=ruby
 RUN install-tool cocoapods 1.11.2
 
diff --git a/test/ruby/Dockerfile b/test/ruby/Dockerfile
index f1485d09a..fb82f09ad 100644
--- a/test/ruby/Dockerfile
+++ b/test/ruby/Dockerfile
@@ -62,7 +62,7 @@ FROM build as test-bundler-b
 ARG BUILDPACK_DEBUG
 
 # renovate: datasource=rubygems versioning=ruby
-RUN install-gem bundler 2.3.6
+RUN install-gem bundler 2.3.7
 
 USER 1000
 
@@ -85,7 +85,7 @@ ARG BUILDPACK_DEBUG
 USER 1000
 
 # renovate: datasource=rubygems versioning=ruby
-RUN install-tool bundler 2.3.6
+RUN install-tool bundler 2.3.7
 
 RUN ruby --version
 RUN bundler env