update changelog

CaseyFaist · CaseyFaist · commit f3738a0e7051 · 2019-09-12T08:43:35.000-07:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,10 +1,18 @@
 # Python Buildpack Changelog
 
-# 156 (2019-08)
+# 156 (2019-09)
 
+## (2019-09-12)
+Bump Hatchet tests to point at new default python version.
+
+## (2019-09-11)
+Python 3.6.9 and 3.7.4 now available.
+
+## (2019-09-11)
 Move get-pip utility to S3
+
+## (2019-09-10)
 Build utility and documentation updates
-Python 3.6.9 and 3.7.4 now available.
 
 # 155 (2019-08-22)
 
