diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index bc9178f6367a..8fceacd870a4 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation {
-  name = "proj-4.9.2";
+  name = "proj-4.9.3";
 
   src = fetchurl {
-    url = http://download.osgeo.org/proj/proj-4.9.2.tar.gz;
-    sha256 = "15kpcmz3qjxfrs6vq48mgyvb4vxscmwgkzrdcn71a60wxp8rmgv0";
+    url = http://download.osgeo.org/proj/proj-4.9.3.tar.gz;
+    sha256 = "1xw5f427xk9p2nbsj04j6m5zyjlyd66sbvl2bkg8hd1kx8pm9139";
   };
 
   doCheck = true;