diff --git a/Changelog.md b/Changelog.md
index 195432fe..ee9e25d4 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,9 @@
 
 This file only reflects the changes that are made in this image. Please refer to the upstream GitLab [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-foss/blob/master/CHANGELOG.md) for the list of changes in GitLab.
 
+- ruby: upgrade to v2.7.7
+- ruby: upgrade to v3.0.4
+
 **15.6.2**
 
 - gitlab: upgrade CE to v15.6.2
diff --git a/Dockerfile b/Dockerfile
index 856fe446..d326da36 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM ubuntu:focal-20221019
 ARG VERSION=15.6.2
 
 ENV GITLAB_VERSION=${VERSION} \
-    RUBY_VERSION=2.7.7 \
-    RUBY_SOURCE_SHA256SUM="e10127db691d7ff36402cfe88f418c8d025a3f1eea92044b162dd72f0b8c7b90" \
+    RUBY_VERSION=3.0.4 \
+    RUBY_SOURCE_SHA256SUM="70b47c207af04bce9acea262308fb42893d3e244f39a4abc586920a1c723722b" \
     GOLANG_VERSION=1.18.8 \
     GITLAB_SHELL_VERSION=14.13.0 \
     GITLAB_PAGES_VERSION=1.63.0 \