diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b6f2a2f..49657da8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.18.x, 1.17.x]
+        go-version: [1.19.x, 1.18.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/go.mod b/go.mod
index c87c414b..bc6cc9bc 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/go-python/gpython
 
-go 1.17
+go 1.18
 
 require (
 	github.com/google/go-cmp v0.5.7