diff --git a/profiles/develop/default.nix b/profiles/develop/default.nix
index 6cc2833..f957be2 100644
--- a/profiles/develop/default.nix
+++ b/profiles/develop/default.nix
@@ -3,7 +3,9 @@
   environment.systemPackages = with pkgs; [
     clang
     nodejs
-    python3
+
+    (python39.withPackages (pyPkgs: with pyPkgs; [ numpy ]))
+
     libcxx
     git
     gdb