diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 4646cbdc92e9..d5b8d20d282f 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -28,6 +28,21 @@ let
     (mkOverride "astral" "1.10.1"
       "d2a67243c4503131c856cafb1b1276de52a86e5b8a1d507b7e08bee51cb67bf1")
 
+    # Pinned due to API changes in iaqualink>=2.0, remove after
+    # https://github.com/home-assistant/core/pull/48137 was merged
+    (self: super: {
+      iaqualink = super.iaqualink.overridePythonAttrs (oldAttrs: rec {
+        version = "0.3.4";
+        src = fetchFromGitHub {
+          owner = "flz";
+          repo = "iaqualink-py";
+          rev = version;
+          sha256 = "16mn6nd9x3hm6j6da99qhwbqs95hh8wx21r1h1m9csl76z77n9lh";
+        };
+        checkInputs = oldAttrs.checkInputs ++ [ python3.pkgs.asynctest ];
+      });
+    })
+
     # Pinned due to bug in ring-doorbell 0.7.0
     # https://github.com/tchellomello/python-ring-doorbell/issues/240
     (mkOverride "ring-doorbell" "0.6.2"