diff --git a/.circleci/config.yml b/.circleci/config.yml
index d793b655..c4abddaf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: python:3.7.2
+      - image: python:3.7.5
         environment:
           PRE_COMMIT_HOME: /root/cache/pre-commit
       - image: docker.elastic.co/elasticsearch/elasticsearch:6.3.0
diff --git a/core/runtime.txt b/core/runtime.txt
index a01373a3..aefcfbec 100644
--- a/core/runtime.txt
+++ b/core/runtime.txt
@@ -1 +1 @@
-python-3.7.2
+python-3.7.5