diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2f29c749..bee72359 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,9 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ['1.15', '1.16', '1.17', '1.18']
-    env:
-      GOFLAGS: -mod=readonly
+        go: ['1.16', '1.17', '1.18', '1.19']
 
     steps:
       - name: Set up Go