diff --git a/pkgs/development/python-modules/pikepdf/default.nix b/pkgs/development/python-modules/pikepdf/default.nix
index 14ae97ea9686..fc105cbe0aa7 100644
--- a/pkgs/development/python-modules/pikepdf/default.nix
+++ b/pkgs/development/python-modules/pikepdf/default.nix
@@ -25,7 +25,7 @@
 
 buildPythonPackage rec {
   pname = "pikepdf";
-  version = "9.0.0";
+  version = "9.1.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -40,7 +40,7 @@ buildPythonPackage rec {
     postFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    hash = "sha256-dTEYI3dGu3Q/80lijp0ooApveSL1VWVHwLw7covnYYc=";
+    hash = "sha256-rcL4kwF8aBHy/sxZiQsQGvN3i1geiPFyrv8nRSXUZSA=";
   };
 
   patches = [