diff --git a/pkgs/development/python-modules/watchgod/default.nix b/pkgs/development/python-modules/watchgod/default.nix
index a9e6a6ae099f..70e93f1a2090 100644
--- a/pkgs/development/python-modules/watchgod/default.nix
+++ b/pkgs/development/python-modules/watchgod/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, anyio
 }:
 
 buildPythonPackage rec {
@@ -12,6 +13,10 @@ buildPythonPackage rec {
     sha256 = "sha256-wS0V8999EedAcE5FOYJ3918dePRq1Zyp11Bb/YuNMIY=";
   };
 
+  propagatedBuildInputs = [
+    anyio
+  ];
+
   # no tests in release
   doCheck = false;