diff --git a/HISTORY.txt b/HISTORY.txt
index 564d2424..9bc2071b 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,3 +1,6 @@
+5.1.2:
+ - Add missing cacerts.pem file to MANIFEST.in
+ - Improve error message when running `pipenv shell` multiple times.
 5.1.1:
  - Bug fix
 5.1.0: