diff --git a/pkgs/development/python-modules/pysnooper/default.nix b/pkgs/development/python-modules/pysnooper/default.nix
index b92ba38c9d09..f5675aae8ed8 100644
--- a/pkgs/development/python-modules/pysnooper/default.nix
+++ b/pkgs/development/python-modules/pysnooper/default.nix
@@ -6,13 +6,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.0.0";
+  version = "1.1.0";
   pname = "pysnooper";
 
   src = fetchPypi {
     inherit version;
     pname = "PySnooper";
-    sha256 = "4804aed962f36db85fefdc33edbd109b96a13153e6ffed82d1e6023b4f483b64";
+    sha256 = "0fa932ad396d2bac089d4b1f94f0ce49cde4140ee64ddd24a4065fadea10fcc9";
   };
 
   # test dependency python-toolbox fails with py27