diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 273eb86..89b78d0 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go_version: [1.18, 1.19, '1.20']
+        go_version: [1.21, 1.19, '1.20']
 
     steps:
     - name: Check out code
diff --git a/go.mod b/go.mod
index 253bf40..f48cc14 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/gookit/config/v2
 
-go 1.18
+go 1.19
 
 require (
 	github.com/BurntSushi/toml v1.3.2