diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index 0b75797b366f..a7ec3a758788 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -8,11 +8,11 @@
 # (icu is a ~30 MB dependency, the rest is very small in comparison)
 
 stdenv.mkDerivation rec {
-  name = "harfbuzz-0.9.37";
+  name = "harfbuzz-0.9.38";
 
   src = fetchurl {
     url = "http://www.freedesktop.org/software/harfbuzz/release/${name}.tar.bz2";
-    sha256 = "01q22an29ni6b7yaial7l2zq0yyr8dk2230x7n31dbfy88w3npr5";
+    sha256 = "056mrzf6ry78s8nvnj4rqzc1gml2lcn314ijdzmsmz7dnj1z6dk7";
   };
 
   configureFlags = [