diff --git a/pkgs/applications/networking/gns3/default.nix b/pkgs/applications/networking/gns3/default.nix
index 1d2756de7e6..3375bfd04d6 100644
--- a/pkgs/applications/networking/gns3/default.nix
+++ b/pkgs/applications/networking/gns3/default.nix
@@ -1,16 +1,16 @@
 { callPackage }:
 
 let
-  stableVersion = "2.1.21";
-  previewVersion = "2.2.0rc5";
+  stableVersion = "2.2.0";
+  previewVersion = "2.2.0";
   addVersion = args:
     let version = if args.stable then stableVersion else previewVersion;
         branch = if args.stable then "stable" else "preview";
     in args // { inherit version branch; };
   mkGui = args: callPackage (import ./gui.nix (addVersion args)) { };
   mkServer = args: callPackage (import ./server.nix (addVersion args)) { };
-  guiSrcHash = "1ydmib302r1cpm2z9pzsfp4ygxrbmskwszsip397n92qx3l9a9v3";
-  serverSrcHash = "1ahn1xq1f0wx46i0c8idz96dxfbakk37pqi6amy91594mdlp8yr4";
+  guiSrcHash = "0xghldzk126ly49y7drp241w7c0h9fb0ags9blk0rlq99i72as78";
+  serverSrcHash = "0iphs0w6r9s85cgd95bh6jd0224ywilrzb7a4jjwi38z7a7id4gk";
 in {
   guiStable = mkGui {
     stable = true;
@@ -18,7 +18,7 @@ in {
   };
   guiPreview = mkGui {
     stable = false;
-    sha256Hash = "0x4sp6yjnvzpk8cxdqlf51njckmvvkijdb7rvcb4hvqq1ab6gb2x";
+    sha256Hash = guiSrcHash;
   };
 
   serverStable = mkServer {
@@ -27,6 +27,6 @@ in {
   };
   serverPreview = mkServer {
     stable = false;
-    sha256Hash = "0inj6fac0683s1sxaba3ljia90cfach0y42xylzgzza36wpyqpqg";
+    sha256Hash = serverSrcHash;
   };
 }
diff --git a/pkgs/applications/networking/gns3/gui.nix b/pkgs/applications/networking/gns3/gui.nix
index de624d7f6b2..9af0f1a6bc6 100644
--- a/pkgs/applications/networking/gns3/gui.nix
+++ b/pkgs/applications/networking/gns3/gui.nix
@@ -19,8 +19,8 @@ in pythonPackages.buildPythonPackage rec {
   propagatedBuildInputs = with pythonPackages; [
     raven psutil jsonschema # tox for check
     # Runtime dependencies
-    sip (pyqt5.override { withWebSockets = true; })
-  ] ++ stdenv.lib.optional (!stable) pythonPackages.distro;
+    sip (pyqt5.override { withWebSockets = true; }) distro setuptools
+  ];
 
   doCheck = false; # Failing
 
diff --git a/pkgs/applications/networking/gns3/server.nix b/pkgs/applications/networking/gns3/server.nix
index f681f3fa63b..71223c6f512 100644
--- a/pkgs/applications/networking/gns3/server.nix
+++ b/pkgs/applications/networking/gns3/server.nix
@@ -3,35 +3,7 @@
 { stdenv, python3, fetchFromGitHub }:
 
 let
-  python = if stable then python3.override {
-    packageOverrides = self: super: {
-      async-timeout = super.async-timeout.overridePythonAttrs (oldAttrs: rec {
-        version = "2.0.1";
-        src = oldAttrs.src.override {
-          inherit version;
-          sha256 = "1l3kg062m02mph6rf9rdv8r5c5n356clxa6b6mrn0i77vk9g9kq0";
-        };
-      });
-      aiohttp = super.aiohttp.overridePythonAttrs (oldAttrs: rec {
-        version = "2.3.10";
-        src = oldAttrs.src.override {
-          inherit version;
-          sha256 = "8adda6583ba438a4c70693374e10b60168663ffa6564c5c75d3c7a9055290964";
-        };
-        propagatedBuildInputs = with self; [ async-timeout attrs chardet multidict yarl idna-ssl ];
-        doCheck = false;
-      });
-      aiohttp-cors = super.aiohttp-cors.overridePythonAttrs (oldAttrs: rec {
-        version = "0.6.0";
-        src = oldAttrs.src.override {
-          inherit version;
-          sha256 = "1r0mb4dw0dc1lpi54dk5vxqs06nyhvagp76lyrvk7rd94z5mjkd4";
-        };
-        propagatedBuildInputs = with self; [ aiohttp ]
-          ++ stdenv.lib.optional (pythonOlder "3.5") typing;
-      });
-    };
-  } else python3;
+  python = python3;
 
 in python.pkgs.buildPythonPackage {
   pname = "gns3-server";
@@ -50,10 +22,10 @@ in python.pkgs.buildPythonPackage {
   '';
 
   propagatedBuildInputs = with python.pkgs; [
-    aiohttp-cors yarl aiohttp multidict
-    jinja2 psutil zipstream raven jsonschema
+    aiohttp-cors yarl aiohttp multidict setuptools
+    jinja2 psutil zipstream raven jsonschema distro async_generator aiofiles
     (python.pkgs.callPackage ../../../development/python-modules/prompt_toolkit/1.nix {})
-  ] ++ stdenv.lib.optional (!stable) [ distro async_generator aiofiles ];
+  ];
 
   # Requires network access
   doCheck = false;