diff --git a/ruby/Dockerfile b/ruby/Dockerfile
index 037a598..0dbd69c 100644
--- a/ruby/Dockerfile
+++ b/ruby/Dockerfile
@@ -1,9 +1,9 @@
-ARG version=3.2
-
-FROM minidocks/base:3.17 AS v3.1
+ARG version=3.3
 
 FROM minidocks/base:3.19 AS v3.2
 
+FROM minidocks/base:3.20 AS v3.3
+
 FROM v${version}
 LABEL maintainer="Martin Hasoň <martin.hason@gmail.com>"
 
diff --git a/ruby/README.md b/ruby/README.md
index e611e54..969d06d 100644
--- a/ruby/README.md
+++ b/ruby/README.md
@@ -12,7 +12,7 @@ Tags
 
 | Tag            | Size                                                                                                         |
 |----------------|--------------------------------------------------------------------------------------------------------------|
-| latest, 3, 3.2 | ![](https://img.shields.io/docker/image-size/minidocks/ruby/latest?style=flat-square&logo=docker&label=size) |
+| latest, 3, 3.3 | ![](https://img.shields.io/docker/image-size/minidocks/ruby/latest?style=flat-square&logo=docker&label=size) |
 | 3              | ![](https://img.shields.io/docker/image-size/minidocks/ruby/3?style=flat-square&logo=docker&label=size)      |
+| 3.3            | ![](https://img.shields.io/docker/image-size/minidocks/ruby/3.3?style=flat-square&logo=docker&label=size)    |
 | 3.2            | ![](https://img.shields.io/docker/image-size/minidocks/ruby/3.2?style=flat-square&logo=docker&label=size)    |
-| 3.1            | ![](https://img.shields.io/docker/image-size/minidocks/ruby/3.1?style=flat-square&logo=docker&label=size)    |
diff --git a/ruby/build.sh b/ruby/build.sh
index 7d74ead..0d35356 100755
--- a/ruby/build.sh
+++ b/ruby/build.sh
@@ -3,10 +3,10 @@ set -e
 
 image="${namespace:-minidocks}/ruby"
 versions="
-3.1;3.1
 3.2;3.2
-3;3.2
-latest;3.2
+3.3;3.3
+3;3.3
+latest;3.3
 "
 
 build() {