diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 195bdd1..568599b 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe
       with:
-        go-version: '1.19'
+        go-version: '1.21'
 
     - name: Check out code
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65050af..c8f28e2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
   build-and-test:
     strategy:
       matrix:
-        go-version: ['1.18', '1.19', '1.20']
+        go-version: ['1.19', '1.20', '1.21']
         os: [ubuntu-20.04, ubuntu-22.04, macos-11, macos-12, macos-13]
     runs-on: ${{ matrix.os }}
 
@@ -26,11 +26,11 @@ jobs:
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
     - name: Check formatting
-      if: ${{ matrix.go-version == '1.20' && matrix.os == 'ubuntu-22.04' }}
+      if: ${{ matrix.go-version == '1.21' && matrix.os == 'ubuntu-22.04' }}
       run: diff -u <(echo -n) <(gofmt -d .)
 
     - name: Check Go modules
-      if: ${{ matrix.go-version == '1.20' && matrix.os == 'ubuntu-22.04' }}
+      if: ${{ matrix.go-version == '1.21' && matrix.os == 'ubuntu-22.04' }}
       run: |
         go mod tidy
         git diff --exit-code