diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index ceb557b..0079aed 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@0c52d547c9bc32b1aa3301fd7a9cb496313a4491
       with:
-        go-version: '1.21'
+        go-version: '1.22'
 
     - name: Check out code
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 111d53e..2201e40 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,8 @@ jobs:
   build-and-test:
     strategy:
       matrix:
-        go-version: ['1.18', '1.20', '1.21']
+        # Oldest supported version is 1.18, plus the latest two releases.
+        go-version: ['1.18', '1.21', '1.22']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
 
@@ -26,11 +27,11 @@ jobs:
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
     - name: Check formatting
-      if: ${{ matrix.go-version == '1.21' && matrix.os == 'ubuntu-latest' }}
+      if: ${{ matrix.go-version == '1.22' && matrix.os == 'ubuntu-latest' }}
       run: diff -u <(echo -n) <(gofmt -d .)
 
     - name: Check Go modules
-      if: ${{ matrix.go-version == '1.21' && matrix.os == 'ubuntu-latest' }}
+      if: ${{ matrix.go-version == '1.22' && matrix.os == 'ubuntu-latest' }}
       run: |
         go mod tidy
         git diff --exit-code