diff --git a/pkgs/applications/misc/gcalcli/default.nix b/pkgs/applications/misc/gcalcli/default.nix
index d3ba5a97333a..6a7a7ae604de 100644
--- a/pkgs/applications/misc/gcalcli/default.nix
+++ b/pkgs/applications/misc/gcalcli/default.nix
@@ -1,7 +1,38 @@
-{ stdenv, lib, fetchFromGitHub, pythonPackages
+{ stdenv, lib, fetchFromGitHub, python2
 , libnotify ? null }:
 
-pythonPackages.buildPythonApplication rec {
+let
+  py = python2.override {
+    packageOverrides = self: super: {
+      google_api_python_client = super.google_api_python_client.overridePythonAttrs (oldAttrs: rec {
+        version = "1.5.1";
+        src = oldAttrs.src.override {
+          inherit version;
+          sha256 = "1ggxk094vqr4ia6yq7qcpa74b4x5cjd5mj74rq0xx9wp2jkrxmig";
+        };
+      });
+
+      oauth2client = super.oauth2client.overridePythonAttrs (oldAttrs: rec {
+        version = "1.4.12";
+        src = oldAttrs.src.override {
+          inherit version;
+          sha256 = "0phfk6s8bgpap5xihdk1xv2lakdk1pb3rg6hp2wsg94hxcxnrakl";
+        };
+      });
+
+      uritemplate = super.uritemplate.overridePythonAttrs (oldAttrs: rec {
+        version = "0.6";
+        src = oldAttrs.src.override {
+          inherit version;
+          sha256 = "1zapwg406vkwsirnzc6mwq9fac4az8brm6d9bp5xpgkyxc5263m3";
+        };
+        # there are no checks in this version
+        doCheck = false;
+      });
+    };
+  };
+
+in with py.pkgs; buildPythonApplication rec {
   version = "3.4.0";
   name = "gcalcli-${version}";
 
@@ -12,27 +43,21 @@ pythonPackages.buildPythonApplication rec {
     sha256 = "171awccgnmfv4j7m2my9387sjy60g18kzgvscl6pzdid9fn9rrm8";
   };
 
-  propagatedBuildInputs = with pythonPackages; [
-    dateutil
-    gflags
-    google_api_python_client
-    httplib2
-    oauth2client
-    parsedatetime
-    six
-    vobject
-  ]
-  ++ lib.optional (!pythonPackages.isPy3k) futures;
-
-  # there are no tests as of 3.4.0
-  doCheck = false;
+  propagatedBuildInputs = [
+    dateutil gflags httplib2 parsedatetime six vobject
+    # overridden
+    google_api_python_client oauth2client uritemplate
+  ] ++ lib.optional (!isPy3k) futures;
 
   postInstall = lib.optionalString stdenv.isLinux ''
-    substituteInPlace $out/bin/gcalcli \
-      --replace "command = 'notify-send -u critical -a gcalcli %s'" \
-                "command = '${libnotify}/bin/notify-send -i view-calendar-upcoming-events -u critical -a Calendar %s'"
+    substituteInPlace $out/bin/gcalcli --replace \
+      "command = 'notify-send -u critical -a gcalcli %s'" \
+      "command = '${libnotify}/bin/notify-send -i view-calendar-upcoming-events -u critical -a Calendar %s'"
   '';
 
+  # There are no tests as of 3.4.0
+  doCheck = false;
+
   meta = with lib; {
     homepage = https://github.com/insanum/gcalcli;
     description = "CLI for Google Calendar";