diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9763f53..d88969e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,7 +20,6 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
           - '1.10'
           - '1.11'
           - 'nightly'