diff --git a/.ruby-version b/.ruby-version
index 75a22a26ac4..b0f2dcb32fc 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.0.3
+3.0.4
diff --git a/Dockerfile b/Dockerfile
index c79618da90b..7757bd0e47c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@ RUN ARCH= && \
 	mv node-v$NODE_VER-linux-$ARCH /opt/node
 
 # Install Ruby 3.0
-ENV RUBY_VER="3.0.3"
+ENV RUBY_VER="3.0.4"
 RUN apt-get update && \
   apt-get install -y --no-install-recommends build-essential \
     bison libyaml-dev libgdbm-dev libreadline-dev libjemalloc-dev \