diff --git a/pkgs/development/libraries/skalibs/default.nix b/pkgs/development/libraries/skalibs/default.nix
index 6fe88fd7cea8..b3f5e12b0ecd 100644
--- a/pkgs/development/libraries/skalibs/default.nix
+++ b/pkgs/development/libraries/skalibs/default.nix
@@ -2,7 +2,7 @@
 
 let
 
-  version = "2.6.0.1";
+  version = "2.6.4.0";
 
 in stdenv.mkDerivation rec {
 
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
   src = fetchgit {
     url = "git://git.skarnet.org/skalibs";
     rev = "refs/tags/v${version}";
-    sha256 = "0skdv3wff1i78hb0y771apw0cak5rzxbwbh6l922snfm01z9k1ws";
+    sha256 = "13icrwxxb7k3cj37dl07h0apk6lwyrg1qrwjwh4l82i8f32bnjz2";
   };
 
   outputs = [ "lib" "dev" "doc" "out" ];