diff --git a/.github/workflows/check-goreleaser-config.yaml b/.github/workflows/check-goreleaser-config.yaml
index 8c12b14..46b158a 100644
--- a/.github/workflows/check-goreleaser-config.yaml
+++ b/.github/workflows/check-goreleaser-config.yaml
@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         # Without quotes, 1.20 becomes 1.2!
-        go-version: ["1.20"]
+        go-version: ["1.21"]
     steps:
       - name: checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/format-go.yaml b/.github/workflows/format-go.yaml
index fb5eacc..8d90d22 100644
--- a/.github/workflows/format-go.yaml
+++ b/.github/workflows/format-go.yaml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         # Without quotes, 1.20 becomes 1.2!
-        go-version: ["1.20"]
+        go-version: ["1.21"]
     steps:
       - name: checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/lint-go.yaml b/.github/workflows/lint-go.yaml
index 338ba1e..173e43d 100644
--- a/.github/workflows/lint-go.yaml
+++ b/.github/workflows/lint-go.yaml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         # Without quotes, 1.20 becomes 1.2!
-        go-version: ["1.20"]
+        go-version: ["1.21"]
     steps:
       - name: checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/test-go.yaml b/.github/workflows/test-go.yaml
index cfdd753..99822bb 100644
--- a/.github/workflows/test-go.yaml
+++ b/.github/workflows/test-go.yaml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         # Without quotes, 1.20 becomes 1.2!
-        go-version: ["1.20"]
+        go-version: ["1.21"]
     steps:
       - name: checkout
         uses: actions/checkout@v4