diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c4dc2b5d693..d54c9d0dd42 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18444,6 +18444,7 @@ in
 
   notmuch = callPackage ../applications/networking/mailreaders/notmuch {
     gmime = gmime3;
+    pythonPackages = python3Packages;
   };
 
   notejot = callPackage ../applications/misc/notejot { };