--- a/bitbucket-pipelines.yml	Wed Sep 06 15:49:58 2017 +0800
+++ b/bitbucket-pipelines.yml	Thu Sep 14 19:31:42 2017 +0800
@@ -3,6 +3,9 @@
 pipelines:
   default:
     - step:
+        caches:
+          - pip
+
         script:
           - pip install -r REQUIREMENTS
           - ./test.py