diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 5c21973..f0c304a 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        julia-version: ['1.5','1.6.4']
+        julia-version: ['1.5']
         julia-arch: [x64]
         os: [ubuntu-latest]