diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e131810f6585a4418a0b2d07e637b7fbea743ba1..137fb381afb68daedc80ff91318b00c249ef8a82 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 ---
-image: python:3.4
+image: python:3.6
 
 stages:
   - test