diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa38b205..bc375e72 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.19, 1.20]
+        go-version: ["1.19", "1.20"]
         pg-version: [11, 12, 13, 14, 15, cockroachdb]
         include:
           - pg-version: 11