diff --git a/pkgs/development/libraries/libisofs/default.nix b/pkgs/development/libraries/libisofs/default.nix
index 71b9d2d5c33..8885092d0e7 100644
--- a/pkgs/development/libraries/libisofs/default.nix
+++ b/pkgs/development/libraries/libisofs/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libisofs-${version}";
-  version = "1.4.4";
+  version = "1.4.6";
 
   src = fetchurl {
     url = "http://files.libburnia-project.org/releases/${name}.tar.gz";
-    sha256 = "1zdx56k847c80ds5yf40hh0a26lkqrc0v11r589dqlm6xvzg0614";
+    sha256 = "02m5g6lbmmkh2xc5xzq5zaf3ma6v31gls66aj886b3cq9qw0paql";
   };
 
   buildInputs = [ attr zlib ];