diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d79afd..5d9d95c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
       - 'master'
 jobs:
   Test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3
@@ -28,13 +28,13 @@ jobs:
         run: mix test
 
   Linting:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3
 
       - name: Set up Elixir
-        uses: erlef/setup-elixir@v1
+        uses: erlef/setup-beam@v1
         with:
           elixir-version: '1.11'
           otp-version: '22.3'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f191748..198cf3e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ on:
 jobs:
   publish:
     name: Publish
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - name: Set up Elixir