diff --git a/pkgs/development/libraries/libksba/default.nix b/pkgs/development/libraries/libksba/default.nix
index e623aa0d1119..c8998446c7da 100644
--- a/pkgs/development/libraries/libksba/default.nix
+++ b/pkgs/development/libraries/libksba/default.nix
@@ -1,11 +1,11 @@
 { buildPackages, lib, stdenv, fetchurl, gettext, libgpgerror }:
 
 stdenv.mkDerivation rec {
-  name = "libksba-1.5.0";
+  name = "libksba-1.5.1";
 
   src = fetchurl {
     url = "mirror://gnupg/libksba/${name}.tar.bz2";
-    sha256 = "1fm0mf3wq9fmyi1rmc1vk2fafn6liiw2mgxml3g7ybbb44lz2jmf";
+    sha256 = "sha256-sPTGXk5EfZojSfa4wOd6KL6VMeRUi6AsVF0fRtx7+SE=";
   };
 
   outputs = [ "out" "dev" "info" ];