diff --git a/pkgs/development/libraries/qpdf/default.nix b/pkgs/development/libraries/qpdf/default.nix
index 68362be596b..c50c62d7794 100644
--- a/pkgs/development/libraries/qpdf/default.nix
+++ b/pkgs/development/libraries/qpdf/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, libjpeg, zlib, perl }:
 
-let version = "9.1.0";
+let version = "9.1.1";
 in
 stdenv.mkDerivation rec {
   pname = "qpdf";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://sourceforge/qpdf/qpdf/${version}/${pname}-${version}.tar.gz";
-    sha256 = "0ygd80wxcmh613n04x2kmf8wlsl0drxyd5wwdcrm1rzj0xwvpfrs";
+    sha256 = "0dj27wb9xg6pg95phbflfvy9rwxn1gh3kc4n175g0pf41r0zrim2";
   };
 
   nativeBuildInputs = [ perl ];