diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index 7eebbc7..72b55bc 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -4,7 +4,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x, 1.16.x]
+        go-version: [1.13.x, 1.14.x, 1.15.x, 1.16.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps: