diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 6224046..91edc52 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,10 +10,10 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - name: Set up Go 1.20
+      - name: Set up Go 1.21.0
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20
+          go-version: 1.21.0
         id: go
 
       - name: Check out code into the Go module directory
diff --git a/appveyor.yml b/appveyor.yml
index d5515e5..78b79f6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,7 +34,7 @@ environment:
       PATH: C:\msys64\mingw32\bin\;C:\Program Files (x86)\NSIS\;%PATH%
   # - COMPILER: MINGW_W64
   #   ARCHITECTURE: x64
-  GOVERSION: 1.20.1
+  GOVERSION: 1.21.0
   # GOPATH: c:\gopath
 
 # scripts that run after cloning repository
diff --git a/go.mod b/go.mod
index c688876..ff7abfe 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/robotn/gohook
 go 1.17
 
 require (
-	github.com/vcaesar/keycode v0.10.0
+	github.com/vcaesar/keycode v0.10.1
 	github.com/vcaesar/tt v0.20.0
 )
diff --git a/go.sum b/go.sum
index fa34337..eb3eede 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/vcaesar/keycode v0.10.0 h1:Qx5QE8ZXHyRyjoA2QOxBp25OKMKB+zxMVqm0FWGV0d4=
-github.com/vcaesar/keycode v0.10.0/go.mod h1:JNlY7xbKsh+LAGfY2j4M3znVrGEm5W1R8s/Uv6BJcfQ=
+github.com/vcaesar/keycode v0.10.1 h1:0DesGmMAPWpYTCYddOFiCMKCDKgNnwiQa2QXindVUHw=
+github.com/vcaesar/keycode v0.10.1/go.mod h1:JNlY7xbKsh+LAGfY2j4M3znVrGEm5W1R8s/Uv6BJcfQ=
 github.com/vcaesar/tt v0.20.0 h1:9t2Ycb9RNHcP0WgQgIaRKJBB+FrRdejuaL6uWIHuoBA=
 github.com/vcaesar/tt v0.20.0/go.mod h1:GHPxQYhn+7OgKakRusH7KJ0M5MhywoeLb8Fcffs/Gtg=