diff --git a/image/base/slim.Dockerfile b/image/base/slim.Dockerfile
index 6959008..4894c61 100644
--- a/image/base/slim.Dockerfile
+++ b/image/base/slim.Dockerfile
@@ -5,7 +5,7 @@ ARG DEBIAN_RELEASE=bullseye
 FROM debian:${DEBIAN_RELEASE}-slim
 
 ARG DEBIAN_RELEASE
-ARG RUBY_VERSION=3.3.2
+ARG RUBY_VERSION=3.3.3
 ENV PG_MAJOR=13 \
     RUBY_ALLOCATOR=/usr/lib/libjemalloc.so \
     RUSTUP_HOME=/usr/local/rustup \