diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 69f5dc7793..b0a35a0bc7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -157,7 +157,7 @@ jobs:
       - name: Setup Fastlane
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.9'
+          ruby-version: '4.0.3'
           bundler-cache: true
 
       - name: Build and Deploy Google Play to Internal Track with Fastlane
@@ -230,7 +230,7 @@ jobs:
       - name: Setup Fastlane
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.9'
+          ruby-version: '4.0.3'
           bundler-cache: true
 
       - name: Build F-Droid with Fastlane
diff --git a/.ruby-version b/.ruby-version
index 7bcbb3808b..c4e41f9459 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.4.9
+4.0.3