diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3a2363e6..673496cb 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         version:
+          - '1.8'
           - '1.9'
           - '1.10'
         os: