diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7c9b073..155c9b0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go-version: [1.9, 1.12, 1.16]
+        go-version: [1.17, 1.16, 1.15, 1.14, 1.13, 1.12]
         os: [macos-latest, windows-latest, ubuntu-latest]
     steps:
     - name: Install dependencies (linux)
diff --git a/go.mod b/go.mod
index 69c7761..dfe9c02 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/go-gl/gl
 
-go 1.9
+go 1.12