diff --git a/pkgs/development/libraries/libunistring/default.nix b/pkgs/development/libraries/libunistring/default.nix
index 5b9c8facdb14..95946cb8284b 100644
--- a/pkgs/development/libraries/libunistring/default.nix
+++ b/pkgs/development/libraries/libunistring/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, libiconv }:
 
 stdenv.mkDerivation rec {
-  name = "libunistring-0.9.6";
+  name = "libunistring-0.9.7";
 
   src = fetchurl {
     url = "mirror://gnu/libunistring/${name}.tar.gz";
-    sha256 = "0ixxmgpgh2v8ifm6hbwsjxl023myk3dfnj7wnvmqjivza31fw9cn";
+    sha256 = "1ra1baz2187kbw9im47g6kqb5mx9plq703mkjxaval8rxv5q3q4w";
   };
 
   patches = stdenv.lib.optional stdenv.isDarwin [ ./clang.patch ];