diff --git a/changelog.md b/changelog.md
index f13c478..707f41e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,13 @@
 
 # Changelog
 
+## [1.3.1] - 1 December 2020
+
+### Changed
+
+- pdftk module was replaced with stapler
+
+
 ## [1.2.8] - 24 August 2020
 
 ### Added
diff --git a/setup.py b/setup.py
index ef97fa4..c8b481f 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@ with open("README.md", "r") as fh:
 
 setup(
     name="mglib",
-    version="1.3.0",
+    version="1.3.1",
     author="Eugen Ciur",
     author_email="eugen@papermerge.com",
     url="https://github.com/papermerge/mglib",