diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
index 95f4d4b..d2ef1e5 100644
--- a/bitbucket-pipelines.yml
+++ b/bitbucket-pipelines.yml
@@ -3,7 +3,7 @@
 # Only use spaces to indent your .yml configuration.
 # -----
 # You can specify a custom docker image from Docker Hub as your build environment.
-image: python:3.5.1
+image: python:3.7
 
 pipelines:
   default: