diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ca57ec4d1..d156769755 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 1.4.0
+  * 0089937 - fix: issue originating from snyk with requests and urllib (#252) (Elliott Murray, Sat Jul 31 12:46:15 2021 +0100)
+  * 903371b - feat: added support for message provider (#251) (Fabio Pulvirenti, Sat Jul 31 13:24:19 2021 +0200)
+  * 2c81029 - chore(snyk): update fastapi (#239) (Elliott Murray, Fri Jun 11 09:12:38 2021 +0100)
 ### 1.3.9
   * 98d9a4b - chore(ruby): update ruby standalen (#233) (Elliott Murray, Thu May 13 20:21:10 2021 +0100)
   * 657e770 - fix: change default from empty string to empty list (#235) (Vasile Tofan, Thu May 13 22:20:47 2021 +0300)
diff --git a/pact/__version__.py b/pact/__version__.py
index b24a265043..3380d93bbb 100644
--- a/pact/__version__.py
+++ b/pact/__version__.py
@@ -1,3 +1,3 @@
 """Pact version info."""
 
-__version__ = '1.3.9'
+__version__ = '1.4.0'