diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index d5b260f..4483e19 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -15,7 +15,7 @@ jobs:
   test:
     strategy:
       matrix:
-        ruby: ['3.0']
+        ruby: ['3.3']
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index da7bb9e..520c5c5 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -15,7 +15,7 @@ jobs:
   test:
     strategy:
       matrix:
-        ruby: ['3.0', '3.1', '3.2']
+        ruby: ['3.0', '3.1', '3.2', '3.3']
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
diff --git a/.github/workflows/type_checking.yml b/.github/workflows/type_checking.yml
index c1a30a9..bf9fc13 100644
--- a/.github/workflows/type_checking.yml
+++ b/.github/workflows/type_checking.yml
@@ -15,7 +15,7 @@ jobs:
   test:
     strategy:
       matrix:
-        ruby: ['3.0']
+        ruby: ['3.3']
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository