diff --git a/.circleci/config.yml b/.circleci/config.yml
index b0ab701..1944cd6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -67,4 +67,4 @@ workflows:
       - test:
           matrix:
             parameters:
-              version: ["latest", "1.15", "1.14", "1.13", "1.12", "1.10", "1.11", "1.10", "1.9"]
+              version: ["latest", "1.15", "1.14", "1.13", "1.12", "1.10", "1.11"]