diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a667bd5..4cd199b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.0'
+          - '1.6'
           - '1.9'
           - 'nightly'
         os: