diff --git a/pkgs/development/python-modules/python-snap7/default.nix b/pkgs/development/python-modules/python-snap7/default.nix
index 06e1185e343..05d804bc677 100644
--- a/pkgs/development/python-modules/python-snap7/default.nix
+++ b/pkgs/development/python-modules/python-snap7/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "python-snap7";
-  version = "0.11";
+  version = "1.0";
 
   src = fetchFromGitHub {
     owner = "gijzelaerr";
     repo = "python-snap7";
-    rev = "899a94c6eeca76fb9b18afd5056e5003646d7f94";
-    sha256 = "169zd1nxq86nmi6132vxl1f6wxm9w3waihq2wn14kkmld1vkmvfd";
+    rev = version;
+    sha256 = "103drdwf4v3yqvd7sscxx154mmmshb6x19v9yqmkj2lj76m0619s";
   };
 
   propagatedBuildInputs = [ setuptools six ];