diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 33c80b96..cff2cae5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', '3.1', '3.2', '3.3']
+        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4']
     steps:
       # Use a cache for our tools to speed up testing
       - uses: actions/cache@v4
@@ -130,7 +130,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', '3.1', '3.2', '3.3']
+        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4']
     steps:
       # Use a cache for our tools to speed up testing
       - uses: actions/cache@v4
@@ -219,7 +219,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [3.2]
+        ruby: [3.3]
 
     steps:
       # Checks out repository under $GITHUB_WORKSPACE