diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4561fb3..86bfff5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,6 +33,9 @@ jobs:
           - os: ubuntu-latest
             arch: x64
             version: '1.6'
+          - os: ubuntu-latest
+            arch: x64
+            version: '1.3'
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2