diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 9bbd1e4..74e73dc 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
   test:
     name: Test
     runs-on: ubuntu-latest
-    container: gitea.kosmos.org/kosmos/akkounts-ci:0.9.1
+    container: gitea.kosmos.org/kosmos/akkounts-ci:0.11.0
     services:
       redis:
         image: redis
@@ -29,9 +29,9 @@ jobs:
         uses: actions/cache@v4
         with:
           path: vendor/bundle
-          key: ${{ runner.os }}-ruby-3.3.0-${{ hashFiles('Gemfile.lock') }}
+          key: ${{ runner.os }}-ruby-3.3.12-${{ hashFiles('Gemfile.lock') }}
           restore-keys: |
-            ${{ runner.os }}-ruby-3.3.0-
+            ${{ runner.os }}-ruby-3.3.12-
 
       - name: Install Ruby dependencies
         run: |
diff --git a/.ruby-version b/.ruby-version
index 15a2799..4d541eb 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.0
+3.3.12
diff --git a/Dockerfile b/Dockerfile
index c65ede6..378c343 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ruby:3.3.4
+FROM ruby:3.3.12
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
diff --git a/ci/Dockerfile b/ci/Dockerfile
index bac3949..4c9af95 100644
--- a/ci/Dockerfile
+++ b/ci/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ruby:3.3.0
+FROM ruby:3.3.12
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]