diff --git a/pkgs/development/python-modules/devolo-plc-api/default.nix b/pkgs/development/python-modules/devolo-plc-api/default.nix
index 792c285986d7..0df39e24a88e 100644
--- a/pkgs/development/python-modules/devolo-plc-api/default.nix
+++ b/pkgs/development/python-modules/devolo-plc-api/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   httpx,
   protobuf,
   pytest-asyncio_0,
@@ -27,6 +28,18 @@ buildPythonPackage rec {
     hash = "sha256-bmZcjvqZwVJzDsdtSbQvJpry2QSSuB6/jOTWG1+jyV4=";
   };
 
+  patches = [
+    # Add Python 3.14 support
+    (fetchpatch {
+      url = "https://github.com/2Fake/devolo_plc_api/commit/3b1c167e2df5909910e97bf1626de88b17fb94d1.patch";
+      hash = "sha256-oaLYMvRl2Zcum9XkFQ1Dm1/F/BhURLGKrwh6FguVL9Y=";
+    })
+    (fetchpatch {
+      url = "https://github.com/2Fake/devolo_plc_api/pull/224.patch";
+      hash = "sha256-fDGYhjA/tMFKQnEtix1no8Wf+cp9Ph7keXRq1+sH6YA=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace pyproject.toml \
       --replace-fail "protobuf>=4.22.0" "protobuf"