diff --git a/pkgs/development/python-modules/fiona/default.nix b/pkgs/development/python-modules/fiona/default.nix
index 1fc7ae5aa58..bd249dea5d2 100644
--- a/pkgs/development/python-modules/fiona/default.nix
+++ b/pkgs/development/python-modules/fiona/default.nix
@@ -5,12 +5,12 @@
 
 buildPythonPackage rec {
   pname = "Fiona";
-  version = "1.7.11";
+  version = "1.7.11.post1";
   name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5e9c68ea71e9d79fcfb68c9a101c0b133301e233c9bcca7b7c65f33cc7636ef5";
+    sha256 = "35df044fa805e6b420450f5d4281fc0edf96e1da0545c31032045cd3cfad3abf";
   };
 
   buildInputs = [