diff --git a/pkgs/development/libraries/java/swt/default.nix b/pkgs/development/libraries/java/swt/default.nix
index 52d235c6a443..c3053e1f2681 100644
--- a/pkgs/development/libraries/java/swt/default.nix
+++ b/pkgs/development/libraries/java/swt/default.nix
@@ -7,20 +7,20 @@ let
   platformMap = {
     "x86_64-linux" =
       { platform = "gtk-linux-x86_64";
-        sha256 = "0hq48zfqx2p0fqr0rlabnz2pdj0874k19918a4dbj0fhzkhrh959"; };
+        sha256 = "1qq0pjll6030v4ml0hifcaaik7sx3fl7ghybfdw95vsvxafwp2ff"; };
     "i686-linux" =
       { platform = "gtk-linux-x86";
-        sha256 = "10si8kmc7c9qmbpzs76609wkfb784pln3qpmra73gb3fbk7z8caf"; };
+        sha256 = "03mhzraikcs4fsz7d3h5af9pw1bbcfd6dglsvbk2ciwimy9zj30q"; };
     "x86_64-darwin" =
       { platform = "cocoa-macosx-x86_64";
-        sha256 = "1565gg63ssrl04fh355vf9mnmq8qwwki3zpc3ybm7bylgkfwc9h4"; };
+        sha256 = "00k1mfbncvyh8klgmk0891w8jwnd5niqb16j1j8yacrm2smmlb05"; };
   };
 
   metadata = assert platformMap ? ${stdenv.system}; platformMap.${stdenv.system};
 
 in stdenv.mkDerivation rec {
-  version = "3.7.2";
-  fullVersion = "${version}-201202080800";
+  version = "4.5";
+  fullVersion = "${version}-201506032000";
   name = "swt-${version}";
 
   hardeningDisable = [ "format" ];
@@ -29,13 +29,14 @@ in stdenv.mkDerivation rec {
   # releases of SWT.  So we just grab a binary release and extract
   # "src.zip" from that.
   src = fetchurl {
-    url = "http://archive.eclipse.org/eclipse/downloads/drops/R-${fullVersion}/${name}-${metadata.platform}.zip";
+    url = "http://archive.eclipse.org/eclipse/downloads/drops4/R-${fullVersion}/${name}-${metadata.platform}.zip";
     sha256 = metadata.sha256;
   };
 
   sourceRoot = ".";
 
-  buildInputs = [ unzip jdk pkgconfig gtk libXt libXtst libXi mesa webkit libsoup ];
+  nativeBuildInputs = [ unzip pkgconfig ];
+  buildInputs = [ jdk gtk libXt libXtst libXi mesa webkit libsoup ];
 
   NIX_LFLAGS = (map (x: "-L${lib.getLib x}/lib") [ xorg.libX11 pango gdk_pixbuf glib ]) ++
     [ "-lX11" "-lpango-1.0" "-lgdk_pixbuf-2.0" "-lglib-2.0" ];