diff --git a/.github/workflows/example.yml b/.github/workflows/example.yml
index 90d4209..36e69da 100644
--- a/.github/workflows/example.yml
+++ b/.github/workflows/example.yml
@@ -14,14 +14,14 @@ jobs:
         working-directory: lib/example
 
     steps:
-      - uses: actions/setup-go@v4
-        with:
-          go-version: 1.21
-
       - uses: actions/checkout@v4
 
+      - uses: actions/setup-go@v5
+        with:
+          go-version: 1.22
+
       - name: lint
-        run: go run github.com/ysmood/golangci-lint@latest -v 1.57.2
+        run: go run github.com/ysmood/golangci-lint@latest -v 1.59.1
 
       - name: test
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 75fe812..8ea5354 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,15 +14,15 @@ jobs:
         os: [macos-latest, windows-latest, ubuntu-latest]
 
     steps:
-      - uses: actions/setup-go@v4
-        with:
-          go-version: 1.21
-
       - uses: actions/checkout@v4
 
+      - uses: actions/setup-go@v5
+        with:
+          go-version: 1.22
+
       - name: lint
         if: matrix.os == 'ubuntu-latest'
-        run: go run github.com/ysmood/golangci-lint@latest -v 1.57.2
+        run: go run github.com/ysmood/golangci-lint@latest -v 1.59.1
 
       - name: test
         env:
diff --git a/go.work b/go.work
index 8aa45f5..e580836 100644
--- a/go.work
+++ b/go.work
@@ -1,4 +1,4 @@
-go 1.21
+go 1.22
 
 use (
 	.
diff --git a/go.work.sum b/go.work.sum
index b0a8b03..ef19250 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -1,2 +1,5 @@
-github.com/ysmood/gop v0.2.0 h1:+tFrG0TWPxT6p9ZaZs+VY+opCvHU8/3Fk6BaNv6kqKg=
-github.com/ysmood/gop v0.2.0/go.mod h1:rr5z2z27oGEbyB787hpEcx4ab8cCiPnKxn0SUHt6xzk=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pty v1.1.1 h1:VkoXIwSboBpnk99O/KFauAEILuNHv5DVFKZMBN/gUgw=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=