diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 08eecfa1b3c6..7d2d6788e4d0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15740,7 +15740,9 @@ in
 
   hiawatha = callPackage ../servers/http/hiawatha {};
 
-  home-assistant = callPackage ../servers/home-assistant { };
+  home-assistant = callPackage ../servers/home-assistant { 
+    python3 = python37;
+  };
 
   home-assistant-cli = callPackage ../servers/home-assistant/cli.nix { };