diff --git a/pkgs/applications/editors/jetbrains/default.nix b/pkgs/applications/editors/jetbrains/default.nix
index c8d00b0167e..a00f0357ea3 100644
--- a/pkgs/applications/editors/jetbrains/default.nix
+++ b/pkgs/applications/editors/jetbrains/default.nix
@@ -341,15 +341,15 @@ in
 
   pycharm-professional = buildPycharm rec {
     name = "pycharm-professional-${version}";
-    version = "2018.3.3"; /* updated by script */
+    version = "2018.3.4"; /* updated by script */
     description = "PyCharm Professional Edition";
     license = stdenv.lib.licenses.unfree;
     src = fetchurl {
       url = "https://download.jetbrains.com/python/${name}.tar.gz";
-      sha256 = "0z6qjc3qh58ds338rlfzi9446y3sghpnccaachkja2q59f97dfma"; /* updated by script */
+      sha256 = "1m8lzghs6g57fwcv6bpmnf21d4w2k10gsmi0i2wv2j8ff4hcy7ij"; /* updated by script */
     };
     wmClass = "jetbrains-pycharm";
-    update-channel = "PyCharm Release";
+    update-channel = "PyCharm RELEASE";
   };
 
   rider = buildRider rec {