diff --git a/Dockerfile b/Dockerfile
index ace20633..856fe446 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM ubuntu:focal-20221019
 ARG VERSION=15.6.2
 
 ENV GITLAB_VERSION=${VERSION} \
-    RUBY_VERSION=2.7.6 \
-    RUBY_SOURCE_SHA256SUM="e7203b0cc09442ed2c08936d483f8ac140ec1c72e37bb5c401646b7866cb5d10" \
+    RUBY_VERSION=2.7.7 \
+    RUBY_SOURCE_SHA256SUM="e10127db691d7ff36402cfe88f418c8d025a3f1eea92044b162dd72f0b8c7b90" \
     GOLANG_VERSION=1.18.8 \
     GITLAB_SHELL_VERSION=14.13.0 \
     GITLAB_PAGES_VERSION=1.63.0 \