diff --git a/pkgs/applications/networking/gns3/default.nix b/pkgs/applications/networking/gns3/default.nix
index 7f6ff3be034f..27ec34e15961 100644
--- a/pkgs/applications/networking/gns3/default.nix
+++ b/pkgs/applications/networking/gns3/default.nix
@@ -20,7 +20,9 @@ let
         });
       };
     commonOverrides = [
-      (mkOverride "jsonschema" "3.2.0" "0ykr61yiiizgvm3bzipa3l73rvj49wmrybbfwhvpgk3pscl5pa68")
+      (self: super: {
+        jsonschema = super.jsonschema_3;
+      })
     ];
   };
   mkGui = args: libsForQt5.callPackage (import ./gui.nix (addVersion args // extraArgs)) { };
diff --git a/pkgs/applications/networking/gns3/gui.nix b/pkgs/applications/networking/gns3/gui.nix
index 8d1ab4e590c5..9d0b947e3f18 100644
--- a/pkgs/applications/networking/gns3/gui.nix
+++ b/pkgs/applications/networking/gns3/gui.nix
@@ -10,6 +10,7 @@
 , python3
 , fetchFromGitHub
 , wrapQtAppsHook
+, packageOverrides ? self: super: {}
 }:
 
 let
@@ -17,21 +18,7 @@ let
   ];
 
   python = python3.override {
-    packageOverrides = lib.foldr lib.composeExtensions (self: super: {
-      jsonschema = super.jsonschema.overridePythonAttrs (oldAttrs: rec {
-        version = "3.2.0";
-
-        src = super.fetchPypi {
-          inherit (oldAttrs) pname;
-          inherit version;
-          sha256 = "sha256-yKhbKNN3zHc35G4tnytPRO48Dh3qxr9G3e/HGH0weXo=";
-        };
-
-        SETUPTOOLS_SCM_PRETEND_VERSION = version;
-
-        doCheck = false;
-      });
-    }) defaultOverrides;
+    packageOverrides = lib.foldr lib.composeExtensions (self: super: { }) ([ packageOverrides ] ++ defaultOverrides);
   };
 in python.pkgs.buildPythonPackage rec {
   pname = "gns3-gui";
diff --git a/pkgs/applications/networking/gns3/server.nix b/pkgs/applications/networking/gns3/server.nix
index 50a2453b0408..814beec74773 100644
--- a/pkgs/applications/networking/gns3/server.nix
+++ b/pkgs/applications/networking/gns3/server.nix
@@ -14,22 +14,6 @@
 
 let
   defaultOverrides = commonOverrides ++ [
-    (self: super: {
-      jsonschema = super.jsonschema.overridePythonAttrs (oldAttrs: rec {
-        version = "3.2.0";
-
-        src = super.fetchPypi {
-          inherit (oldAttrs) pname;
-          inherit version;
-          sha256 = "sha256-yKhbKNN3zHc35G4tnytPRO48Dh3qxr9G3e/HGH0weXo=";
-        };
-
-        SETUPTOOLS_SCM_PRETEND_VERSION = version;
-
-        doCheck = false;
-      });
-
-    })
   ];
 
   python = python3.override {
diff --git a/pkgs/applications/networking/powerdns-admin/default.nix b/pkgs/applications/networking/powerdns-admin/default.nix
index cc31f25390a7..33f2517621c1 100644
--- a/pkgs/applications/networking/powerdns-admin/default.nix
+++ b/pkgs/applications/networking/powerdns-admin/default.nix
@@ -13,19 +13,7 @@ let
     packageOverrides = self: super: {
       # The bravado-core dependency is incompatible with jschonschema 4.0:
       # https://github.com/Yelp/bravado-core/pull/385
-      jsonschema = super.jsonschema.overridePythonAttrs (oldAttrs: rec {
-        version = "3.2.0";
-
-        src = oldAttrs.src.override {
-          inherit version;
-          hash = "sha256-yKhbKNN3zHc35G4tnytPRO48Dh3qxr9G3e/HGH0weXo=";
-          sha256 = "";
-        };
-
-        SETUPTOOLS_SCM_PRETEND_VERSION = version;
-
-        doCheck = false;
-      });
+      jsonschema = super.jsonschema_3;
     };
   };
 
diff --git a/pkgs/development/python-modules/jsonschema/3_x.nix b/pkgs/development/python-modules/jsonschema/3_x.nix
new file mode 100644
index 000000000000..b78165fc4f32
--- /dev/null
+++ b/pkgs/development/python-modules/jsonschema/3_x.nix
@@ -0,0 +1,39 @@
+{ lib, buildPythonPackage, fetchPypi, isPy27
+, attrs
+, functools32
+, importlib-metadata
+, mock
+, nose
+, pyperf
+, pyrsistent
+, setuptools-scm
+, twisted
+, vcversioner
+}:
+
+buildPythonPackage rec {
+  pname = "jsonschema";
+  version = "3.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a";
+  };
+
+  nativeBuildInputs = [ setuptools-scm ];
+  propagatedBuildInputs = [ attrs importlib-metadata functools32 pyrsistent ];
+  checkInputs = [ nose mock pyperf twisted vcversioner ];
+
+  # zope namespace collides on py27
+  doCheck = !isPy27;
+  checkPhase = ''
+    nosetests
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/Julian/jsonschema";
+    description = "An implementation of JSON Schema validation for Python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ domenkozar ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5bec3defe202..676325a26f20 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4837,6 +4837,8 @@ in {
 
   jsonschema = callPackage ../development/python-modules/jsonschema { };
 
+  jsonschema_3 = callPackage ../development/python-modules/jsonschema/3_x.nix { };
+
   jsonstreams = callPackage ../development/python-modules/jsonstreams { };
 
   json-tricks = callPackage ../development/python-modules/json-tricks { };