diff --git a/pkgs/development/libraries/libksba/default.nix b/pkgs/development/libraries/libksba/default.nix
index 69c30b7cca4b..9e1d4b58a927 100644
--- a/pkgs/development/libraries/libksba/default.nix
+++ b/pkgs/development/libraries/libksba/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, libgpgerror }:
 
 stdenv.mkDerivation rec {
-  name = "libksba-1.3.4";
+  name = "libksba-1.3.5";
 
   src = fetchurl {
     url = "mirror://gnupg/libksba/${name}.tar.bz2";
-    sha256 = "0kxdb02z41cwm1xbwfwj9nbc0dzjhwyq8c475mlhhmpcxcy8ihpn";
+    sha256 = "0h53q4sns1jz1pkmhcz5wp9qrfn9f5g9i3vjv6dafwzzlvblyi21";
   };
 
   outputs = [ "out" "dev" "doc" ];