diff --git a/docker/multi-process/Dockerfile b/docker/multi-process/Dockerfile
index 55993b734d..cd9f12ab62 100644
--- a/docker/multi-process/Dockerfile
+++ b/docker/multi-process/Dockerfile
@@ -1,4 +1,4 @@
-FROM rubylang/ruby:3.2-jammy
+FROM rubylang/ruby:3.3-jammy
 
 COPY docker/scripts/prepare /scripts/
 RUN /scripts/prepare
diff --git a/docker/single-process/Dockerfile b/docker/single-process/Dockerfile
index efe4cf2037..aee34b0b03 100644
--- a/docker/single-process/Dockerfile
+++ b/docker/single-process/Dockerfile
@@ -1,4 +1,4 @@
-FROM rubylang/ruby:3.2-jammy
+FROM rubylang/ruby:3.3-jammy
 
 COPY docker/scripts/prepare /scripts/
 RUN /scripts/prepare