diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 31aada4..c8294ef 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -23,7 +23,7 @@ jobs:
     uses: pion/.goassets/.github/workflows/test.reusable.yml@master
     strategy:
       matrix:
-        go: ['1.20', '1.19'] # auto-update/supported-go-version-list
+        go: ['1.21', '1.20'] # auto-update/supported-go-version-list
       fail-fast: false
     with:
       go-version: ${{ matrix.go }}
@@ -32,7 +32,7 @@ jobs:
     uses: pion/.goassets/.github/workflows/test-i386.reusable.yml@master
     strategy:
       matrix:
-        go: ['1.20', '1.19'] # auto-update/supported-go-version-list
+        go: ['1.21', '1.20'] # auto-update/supported-go-version-list
       fail-fast: false
     with:
       go-version: ${{ matrix.go }}
diff --git a/.github/workflows/tidy-check.yaml b/.github/workflows/tidy-check.yaml
index 4d346d4..33d6b50 100644
--- a/.github/workflows/tidy-check.yaml
+++ b/.github/workflows/tidy-check.yaml
@@ -22,4 +22,4 @@ jobs:
   tidy:
     uses: pion/.goassets/.github/workflows/tidy-check.reusable.yml@master
     with:
-      go-version: '1.20' # auto-update/latest-go-version
+      go-version: '1.21' # auto-update/latest-go-version