diff --git a/pkgs/development/python-modules/pydantic-ai-slim/default.nix b/pkgs/development/python-modules/pydantic-ai-slim/default.nix
index 20b9e60fe91c..224c87006dac 100644
--- a/pkgs/development/python-modules/pydantic-ai-slim/default.nix
+++ b/pkgs/development/python-modules/pydantic-ai-slim/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pydantic-ai-slim";
-  version = "1.75.0";
+  version = "1.77.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "pydantic-ai";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ii6q9eC/7qRBnyMFA7kdmz5tq/KR0EWqcu1+kXOCxVE=";
+    hash = "sha256-g1behrlnpYio1w12jzMS13DQSs6ajgN8bezinIPr928=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/pydantic_ai_slim";
diff --git a/pkgs/development/python-modules/pydantic-graph/default.nix b/pkgs/development/python-modules/pydantic-graph/default.nix
index 4c03bbd9c456..3aa221715ecd 100644
--- a/pkgs/development/python-modules/pydantic-graph/default.nix
+++ b/pkgs/development/python-modules/pydantic-graph/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pydantic-graph";
-  version = "1.75.0";
+  version = "1.77.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "pydantic-ai";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ii6q9eC/7qRBnyMFA7kdmz5tq/KR0EWqcu1+kXOCxVE=";
+    hash = "sha256-g1behrlnpYio1w12jzMS13DQSs6ajgN8bezinIPr928=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/pydantic_graph";