diff --git a/pkgs/development/python-modules/nexusrpc/default.nix b/pkgs/development/python-modules/nexusrpc/default.nix
new file mode 100644
index 000000000000..c8c6eddfc7b9
--- /dev/null
+++ b/pkgs/development/python-modules/nexusrpc/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  hatchling,
+  nix-update-script,
+  pythonOlder,
+  typing-extensions,
+}:
+
+buildPythonPackage rec {
+  pname = "nexus-rpc";
+  version = "1.1.0";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "nexus-rpc";
+    repo = "sdk-python";
+    rev = "refs/tags/${version}";
+    hash = "sha256-CZOCNgYvlQCc/Ws2cEuryyVELS/FiNgLTYHwHp70yhM=";
+    fetchSubmodules = true;
+  };
+
+  build-system = [
+    hatchling
+  ];
+
+  dependencies = [
+    typing-extensions
+  ];
+
+  pythonImportsCheck = [
+    "nexusrpc"
+  ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Nexus Python SDK";
+    homepage = "https://temporal.io/";
+    changelog = "https://github.com/nexus-rpc/sdk-python/releases/tag/${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [
+      jpds
+    ];
+  };
+}
diff --git a/pkgs/development/python-modules/temporalio/default.nix b/pkgs/development/python-modules/temporalio/default.nix
index c176b65a1ebe..2a8775ca4b86 100644
--- a/pkgs/development/python-modules/temporalio/default.nix
+++ b/pkgs/development/python-modules/temporalio/default.nix
@@ -5,9 +5,11 @@
   cargo,
   fetchFromGitHub,
   maturin,
+  nexusrpc,
+  nix-update-script,
   pythonOlder,
   poetry-core,
-  protobuf,
+  protobuf5,
   python-dateutil,
   rustc,
   rustPlatform,
@@ -19,7 +21,7 @@
 
 buildPythonPackage rec {
   pname = "temporalio";
-  version = "1.12.0";
+  version = "1.15.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -28,7 +30,7 @@ buildPythonPackage rec {
     owner = "temporalio";
     repo = "sdk-python";
     rev = "refs/tags/${version}";
-    hash = "sha256-u74zbzYNVxMi0sdiPlBoEU+wAa24JmMksz7hGvraDeM=";
+    hash = "sha256-NY7+ryldTV60K1Ky9Q1iNEmXqXlZgSMEE4f6PGeZ5BE=";
     fetchSubmodules = true;
   };
 
@@ -39,7 +41,7 @@ buildPythonPackage rec {
       src
       cargoRoot
       ;
-    hash = "sha256-OIapL1+g6gIgyVzdB68PuK2K2RIr01DSm/UbCdt9kNY=";
+    hash = "sha256-Z0LxIGY7af1tcRTcMe4FDCH1zxzX1J9AJuZfZUMAAUI=";
   };
 
   cargoRoot = "temporalio/bridge";
@@ -54,7 +56,8 @@ buildPythonPackage rec {
   '';
 
   dependencies = [
-    protobuf
+    nexusrpc
+    protobuf5
     types-protobuf
     typing-extensions
   ]
@@ -76,6 +79,8 @@ buildPythonPackage rec {
     "temporalio.worker"
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Temporal Python SDK";
     homepage = "https://temporal.io/";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b5d87215e029..7a0ce1b6c81e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10373,6 +10373,8 @@ self: super: with self; {
 
   nexusformat = callPackage ../development/python-modules/nexusformat { };
 
+  nexusrpc = callPackage ../development/python-modules/nexusrpc { };
+
   nfcpy = callPackage ../development/python-modules/nfcpy { };
 
   nftables = callPackage ../os-specific/linux/nftables/python.nix { inherit (pkgs) nftables; };