diff --git a/pkgs/development/python-modules/flit/default.nix b/pkgs/development/python-modules/flit/default.nix
index 72957a94afa5..88a4028aa6d2 100644
--- a/pkgs/development/python-modules/flit/default.nix
+++ b/pkgs/development/python-modules/flit/default.nix
@@ -11,6 +11,7 @@
 , testpath
 , responses
 , pytoml
+, flit-core
 }:
 
 # Flit is actually an application to build universal wheels.
@@ -20,16 +21,23 @@
 
 buildPythonPackage rec {
   pname = "flit";
-  version = "1.3";
+  version = "2.3.0";
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "6f6f0fb83c51ffa3a150fa41b5ac118df9ea4a87c2c06dff4ebf9adbe7b52b36";
+    sha256 = "017012b809ec489918afd68af7a70bd7c8c770c87b60159d875c126866e97a4b";
   };
 
-  propagatedBuildInputs = [ docutils requests requests_download pytoml ]
-    ++ lib.optional (pythonOlder "3.6") zipfile36;
+  propagatedBuildInputs = [
+    docutils
+    requests
+    requests_download
+    pytoml
+    flit-core
+  ] ++ lib.optionals (pythonOlder "3.6") [
+    zipfile36
+  ];
 
   checkInputs = [ pytest_4 testpath responses ];