diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ab72421d468..deebc7d7a98b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           - windows-latest
         go: 
           - '1.20'
-          # - '1.21'
+          - '1.21'
 
         include:
         # Set the minimum Go patch version for the given Go minor
@@ -32,8 +32,8 @@ jobs:
         - go: '1.20'
           GO_SEMVER: '~1.20.6'
 
-        # - go: '1.21'
-        #   GO_SEMVER: '~1.21.0'
+        - go: '1.21'
+          GO_SEMVER: '~1.21.0'
 
         # Set some variables per OS, usable via ${{ matrix.VAR }}
         # CADDY_BIN_PATH: the path to the compiled Caddy binary, for artifact publishing
diff --git a/.github/workflows/cross-build.yml b/.github/workflows/cross-build.yml
index 4d04cfa7d064..678ac178b042 100644
--- a/.github/workflows/cross-build.yml
+++ b/.github/workflows/cross-build.yml
@@ -28,13 +28,13 @@ jobs:
           - 'darwin'
           - 'netbsd'
         go: 
-          - '1.20'
+          - '1.21'
 
         include:
         # Set the minimum Go patch version for the given Go minor
         # Usable via ${{ matrix.GO_SEMVER }}
-        - go: '1.20'
-          GO_SEMVER: '~1.20.6'
+        - go: '1.21'
+          GO_SEMVER: '~1.21.0'
 
     runs-on: ubuntu-latest
     continue-on-error: true
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 964e48f06e25..a2b569d05af6 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '~1.20.6'
+          go-version: '~1.21.0'
           check-latest: true
 
           # Workaround for https://github.com/golangci/golangci-lint-action/issues/135
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0e9e29ec5f62..ec9c97260f34 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,13 +13,13 @@ jobs:
         os: 
           - ubuntu-latest
         go: 
-          - '1.20'
+          - '1.21'
 
         include:
         # Set the minimum Go patch version for the given Go minor
         # Usable via ${{ matrix.GO_SEMVER }}
-        - go: '1.20'
-          GO_SEMVER: '~1.20.6'
+        - go: '1.21'
+          GO_SEMVER: '~1.21.0'
 
     runs-on: ${{ matrix.os }}
     # https://github.com/sigstore/cosign/issues/1258#issuecomment-1002251233