diff --git a/pkgs/development/libraries/apr/default.nix b/pkgs/development/libraries/apr/default.nix
index 71641aaf71e..1b63aee0595 100644
--- a/pkgs/development/libraries/apr/default.nix
+++ b/pkgs/development/libraries/apr/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  name = "apr-1.3.8";
+  name = "apr-1.3.9";
   
   src = fetchurl {
     url = "mirror://apache/apr/${name}.tar.bz2";
-    sha256 = "0mzsr6pv2gcp1cvppfzsd2c7zqgbw0rakjndcna49gv1dq0zgdvx";
+    sha256 = "1qicxnk62d9mjza8vch2wxy4xlq8sa76chwi5cp6bs4cyj9s61ap";
   };
 
   meta = {