diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index d8aa8a5bc4ea..07c4e2adaebf 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -162,6 +162,15 @@ let
         };
       });
 
+      pyasn1 = super.pyasn1.overridePythonAttrs (oldAttrs: rec {
+        version = "0.4.8";
+        src = fetchPypi {
+          inherit (oldAttrs) pname;
+          inherit version;
+          hash = "sha256-rvd8n7lKOsWI6HhBIIvexGRHHZhxvVBQoofMmkdc0Lo=";
+        };
+      });
+
       # Pinned due to API changes >0.3.5.3
       pyatag = super.pyatag.overridePythonAttrs (oldAttrs: rec {
         version = "0.3.5.3";