diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 57662e3..8b643af 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,7 +10,7 @@ jobs:
   Test:
     strategy:
       matrix:
-        go-version: [1.18.x, 1.21.x]
+        go-version: [1.19.x, 1.21.x]
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/go.mod b/go.mod
index 461f621..daf4b61 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/goplus/gogen
 
-go 1.18
+go 1.19
 
 require golang.org/x/tools v0.19.0