diff --git a/pkgs/development/python-modules/nexusrpc/default.nix b/pkgs/development/python-modules/nexusrpc/default.nix
index 4adba207216be..83504c927be0c 100644
--- a/pkgs/development/python-modules/nexusrpc/default.nix
+++ b/pkgs/development/python-modules/nexusrpc/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "nexus-rpc";
-  version = "1.3.0";
+  version = "1.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "nexus-rpc";
     repo = "sdk-python";
     tag = version;
-    hash = "sha256-i2FfJ3aCncbqLY2oBG8zAPTbgxzH30MSmZxhDltN4JA=";
+    hash = "sha256-il+zCyU0dOlqFHGedyeBKgwQlqx1FLNuriGIw3RV3Gs=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/development/python-modules/temporalio/default.nix b/pkgs/development/python-modules/temporalio/default.nix
index 179a4442785ce..b9d72902aa26c 100644
--- a/pkgs/development/python-modules/temporalio/default.nix
+++ b/pkgs/development/python-modules/temporalio/default.nix
@@ -25,7 +25,7 @@
 
 buildPythonPackage rec {
   pname = "temporalio";
-  version = "1.23.0";
+  version = "1.25.0";
   pyproject = true;
 
   src = fetchFromGitHub {
@@ -33,7 +33,7 @@ buildPythonPackage rec {
     repo = "sdk-python";
     tag = version;
     fetchSubmodules = true;
-    hash = "sha256-AV9kpy6EpfwLm3yx+xf9PRUcti+KJsOizPsf6YqIYws=";
+    hash = "sha256-o6QesUL9he2q5o+HDUA6Orb3uM6jWiWkN7uYbkhXopY=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
@@ -43,7 +43,7 @@ buildPythonPackage rec {
       src
       cargoRoot
       ;
-    hash = "sha256-uVSC4CPuoDw1JuZ6sCTErre1gYBov70qSvD4tQqKvl0=";
+    hash = "sha256-CL2ipOgnxGn0Zw2da85BzLJdjYamBXKftiRPExWCbb0=";
   };
 
   cargoRoot = "temporalio/bridge";
@@ -68,6 +68,10 @@ buildPythonPackage rec {
     rustc
   ];
 
+  pythonRelaxDeps = [
+    "protobuf"
+  ];
+
   pythonImportsCheck = [
     "temporalio"
     "temporalio.bridge.temporal_sdk_bridge"