diff --git a/pkgs/development/libraries/java/commons/lang/default.nix b/pkgs/development/libraries/java/commons/lang/default.nix
index e46f22fadfb935..322cb486e93ea3 100644
--- a/pkgs/development/libraries/java/commons/lang/default.nix
+++ b/pkgs/development/libraries/java/commons/lang/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  version = "3.6";
+  version = "3.9";
   name    = "commons-lang-${version}";
 
   src = fetchurl {
     url    = "mirror://apache/commons/lang/binaries/commons-lang3-${version}-bin.tar.gz";
-    sha256 = "0r1wdjw48k2mk2wzyq5c3cx2zmark4q9psw52ma6v2i0sh6a9il0";
+    sha256 = "0l0q1hnicvpbjmxl81ig3rwc212x5sdfnlg3cniwbmnx8fxjgbki";
   };
 
   installPhase = ''