diff --git a/pkgs/development/python-modules/pikepdf/default.nix b/pkgs/development/python-modules/pikepdf/default.nix
index 565822c3355..adf30d57322 100644
--- a/pkgs/development/python-modules/pikepdf/default.nix
+++ b/pkgs/development/python-modules/pikepdf/default.nix
@@ -23,12 +23,12 @@
 
 buildPythonPackage rec {
   pname = "pikepdf";
-  version = "2.8.0";
+  version = "2.9.1";
   disabled = ! isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "74ff96fddd21cd4c0830eb549137ea9eccbdbff8cef4f684322b9afb8e42ccb5";
+    sha256 = "99c19cf0dd0fc89fc9e6a0de61e974e34d4111dd69802aeaee3e61fb1a74a3d8";
   };
 
   buildInputs = [