diff --git a/pkgs/applications/editors/idea/default.nix b/pkgs/applications/editors/idea/default.nix
index 7f69e1864c15..f1e3a078b70e 100644
--- a/pkgs/applications/editors/idea/default.nix
+++ b/pkgs/applications/editors/idea/default.nix
@@ -179,6 +179,7 @@ let
   buildPycharm = { name, version, build, src, license, description }:
     (mkIdeaProduct rec {
       inherit name version build src;
+      patchSnappy = false;
       product = "PyCharm";
       meta = with stdenv.lib; {
         homepage = "https://www.jetbrains.com/pycharm/";
@@ -270,25 +271,25 @@ in
 
   pycharm-community = buildPycharm rec {
     name = "pycharm-community-${version}";
-    version = "3.4.1";
-    build = "135.1057";
-    description = "PyCharm 3.4 Community Edition";
+    version = "4.0.1";
+    build = "139.574";
+    description = "PyCharm 4.0 Community Edition";
     license = stdenv.lib.licenses.asl20;
     src = fetchurl {
       url = "http://download.jetbrains.com/python/${name}.tar.gz";
-      sha256 = "96427b1e842e7c09141ec4d3ede627c5ca7d821c0d6c98169b56a34f9035ef64";
+      sha256 = "0jh0sxi5dpgpw7ga018fby7zvb4i9k49vwl8422lfcrgckdz9nv2";
     };
   };
 
   pycharm-professional = buildPycharm rec {
     name = "pycharm-professional-${version}";
-    version = "3.4.1";
-    build = "135.1057";
-    description = "PyCharm 3.4 Professional Edition";
+    version = "4.0.1";
+    build = "139.574";
+    description = "PyCharm 4.0 Professional Edition";
     license = stdenv.lib.licenses.unfree;
     src = fetchurl {
       url = "http://download.jetbrains.com/python/${name}.tar.gz";
-      sha256 = "e4f85f3248e8985ac9f8c326543f979b47ba1d7ac6b128a2cf2b3eb8ec545d2b";
+      sha256 = "04yjhg6vi2kz00sy8zg4wkz26ai90vbp0cnd850ynsab0jsy24w4";
     };
   };