diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9b70a21..e14e040 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
   build-linux:
     strategy:
         matrix:
-          go-version: [ '1.20.x', '1.21.x' ]
+          go-version: [ '1.21.x', '1.22.0-rc.1' ]
           goos: [linux]
           testuser: [ssh3-testuser]
           testpasswd: [ssh3-testpasswd]
@@ -62,7 +62,7 @@ jobs:
   build-macos:
     strategy:
       matrix:
-        go-version: [ '1.20.x', '1.21.x' ]
+        go-version: [ '1.21.x', '1.22.0-rc.1' ]
         goos: [darwin]
         goarch: [amd64,arm64]
     runs-on: macos-latest
@@ -89,7 +89,7 @@ jobs:
   build-other-unix:
     strategy:
       matrix:
-        go-version: [ '1.20.x', '1.21.x' ]
+        go-version: [ '1.21.x', '1.22.0-rc.1' ]
         goos: [openbsd,freebsd,linux]
         goarch: [amd64,"386",arm64,arm]
         exclude: