diff --git a/Dockerfile b/Dockerfile
index b008c6f..6350fcf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ ENV BUILD_BASE_VERSION="0.5-r3"
 # renovate: datasource=repology depName=alpine_3_20/gcc versioning=loose
 ENV GCC_VERSION="13.2.1_git20240309-r1"
 # renovate: datasource=repology depName=alpine_3_20/ruby versioning=loose
-ENV RUBY_VERSION="3.3.8-r0"
+ENV RUBY_VERSION="3.3.6-r0"
 # renovate: datasource=repology depName=alpine_3_20/git versioning=loose
 ENV GIT_VERSION="2.45.3-r0"
 # renovate: datasource=repology depName=alpine_3_20/openssh-keygen versioning=loose