diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 1231fde..30885e8 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.20' ]
+        go: [ '1.21' ]
 
     steps:
       - name: Check out
diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index a366780..3f4dcb6 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.19', '1.20' ]
+        go: [ '1.20', '1.21' ]
 
     steps:
       - name: Check out