diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ee7a6d864df9f843fe86e508b28737ed54f2981d..a5326995ad611ba99cb6256f9144f560936e942d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ stages:
   - release
 
 variables:
-    PYENV_PYTHON_VERSION: 3.5.5
+    PYENV_PYTHON_VERSION: 3.6.8
 
 image: registry.duniter.org/docker/python3/duniterpy-builder:0.0.4