diff --git a/pkgs/development/python-modules/wtf-peewee/default.nix b/pkgs/development/python-modules/wtf-peewee/default.nix
index 6fd356e69ed6..35be8ba260c4 100644
--- a/pkgs/development/python-modules/wtf-peewee/default.nix
+++ b/pkgs/development/python-modules/wtf-peewee/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , peewee
 , wtforms
 , python
@@ -15,6 +16,14 @@ buildPythonPackage rec {
     sha256 = "faa953fe3f705d4f2b48f3c1a81c5c5a6a38f9ed1378c9a830e6efc1b0fccb15";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "fix-wtforms3.patch";
+      url = "https://github.com/coleifer/wtf-peewee/commit/b1764f4474c73a9a2b34ae6b7db61274f5252a7f.patch";
+      sha256 = "0maz3fm9bi8p80nk9sdb34xq55xq8ihm51y7k0m8ck9aaypvwbig";
+    })
+  ];
+
   propagatedBuildInputs = [
     peewee
     wtforms