diff --git a/README.md b/README.md
index 88976e6..3021ef9 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v1
       - name: Release
         uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v1
       - name: Release
         uses: softprops/action-gh-release@v1
         env:
@@ -80,7 +80,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v1
       - name: Build
         run: echo ${{ github.sha }} > Release.txt
       - name: Test
@@ -106,7 +106,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v1
       - name: Build
         run: echo ${{ github.sha }} > Release.txt
       - name: Test
@@ -140,7 +140,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v1
       - name: Generate Changelog
         run: echo "# Good things have arrived" > ${{ github.workflow }}-CHANGELOG.txt
       - name: Release