diff --git a/3.0/alpine3.14/Dockerfile b/3.0/alpine3.14/Dockerfile
index b98cf8d0e..b66b64302 100644
--- a/3.0/alpine3.14/Dockerfile
+++ b/3.0/alpine3.14/Dockerfile
@@ -27,8 +27,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/3.0/alpine3.15/Dockerfile b/3.0/alpine3.15/Dockerfile
index 8b6b48505..371dd78f3 100644
--- a/3.0/alpine3.15/Dockerfile
+++ b/3.0/alpine3.15/Dockerfile
@@ -27,8 +27,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/3.0/bullseye/Dockerfile b/3.0/bullseye/Dockerfile
index abf6afadd..2206e57c8 100644
--- a/3.0/bullseye/Dockerfile
+++ b/3.0/bullseye/Dockerfile
@@ -16,8 +16,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/3.0/buster/Dockerfile b/3.0/buster/Dockerfile
index 055579e47..103fa79cb 100644
--- a/3.0/buster/Dockerfile
+++ b/3.0/buster/Dockerfile
@@ -16,8 +16,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/3.0/slim-bullseye/Dockerfile b/3.0/slim-bullseye/Dockerfile
index b1e1e0531..fa02252fe 100644
--- a/3.0/slim-bullseye/Dockerfile
+++ b/3.0/slim-bullseye/Dockerfile
@@ -30,8 +30,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/3.0/slim-buster/Dockerfile b/3.0/slim-buster/Dockerfile
index affbfd81a..bd82a03aa 100644
--- a/3.0/slim-buster/Dockerfile
+++ b/3.0/slim-buster/Dockerfile
@@ -30,8 +30,8 @@ RUN set -eux; \
 
 ENV LANG C.UTF-8
 ENV RUBY_MAJOR 3.0
-ENV RUBY_VERSION 3.0.3
-ENV RUBY_DOWNLOAD_SHA256 88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c
+ENV RUBY_VERSION 3.0.4
+ENV RUBY_DOWNLOAD_SHA256 8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0
 
 # some of ruby's build scripts are written in ruby
 #   we purge system ruby later to make sure our final image uses what we just built
diff --git a/versions.json b/versions.json
index 6760db3fd..758274a63 100644
--- a/versions.json
+++ b/versions.json
@@ -24,7 +24,7 @@
     "version": "2.7.6"
   },
   "3.0": {
-    "sha256": "88cc7f0f021f15c4cd62b1f922e3a401697f7943551fe45b1fdf4f2417a17a9c",
+    "sha256": "8e22fc7304520435522253210ed0aa9a50545f8f13c959fe01a05aea06bef2f0",
     "variants": [
       "bullseye",
       "slim-bullseye",
@@ -33,7 +33,7 @@
       "alpine3.15",
       "alpine3.14"
     ],
-    "version": "3.0.3"
+    "version": "3.0.4"
   },
   "3.1": {
     "sha256": "7aefaa6b78b076515d272ec59c4616707a54fc9f2391239737d5f10af7a16caa",