diff --git a/pkgs/development/python-modules/pydantic-core/default.nix b/pkgs/development/python-modules/pydantic-core/default.nix
index 716d9584b0d6..9e71bbec8a87 100644
--- a/pkgs/development/python-modules/pydantic-core/default.nix
+++ b/pkgs/development/python-modules/pydantic-core/default.nix
@@ -18,14 +18,14 @@
 let
   pydantic-core = buildPythonPackage rec {
     pname = "pydantic-core";
-    version = "2.23.4";
+    version = "2.27.1";
     pyproject = true;
 
     src = fetchFromGitHub {
       owner = "pydantic";
       repo = "pydantic-core";
       rev = "refs/tags/v${version}";
-      hash = "sha256-WSSwiqmdQN4zB7fqaniHyh4SHmrGeDHdCGpiSJZT7Mg=";
+      hash = "sha256-ikdQAT1y0g+V2gPU0Ohn+UktJrEObnixCW56/J1UsSk=";
     };
 
     patches = [ ./01-remove-benchmark-flags.patch ];
@@ -33,7 +33,7 @@ let
     cargoDeps = rustPlatform.fetchCargoTarball {
       inherit src;
       name = "${pname}-${version}";
-      hash = "sha256-dX3wDnKQLmC+FabC0van3czkQLRcrBbtp9b90PgepZs=";
+      hash = "sha256-kY+XSiwfh1ao0vvqz1M23CONeh/T8uN8YpHf/GOphTk=";
     };
 
     nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pydantic/default.nix b/pkgs/development/python-modules/pydantic/default.nix
index 9e008f9565e1..bb5ba289d5f5 100644
--- a/pkgs/development/python-modules/pydantic/default.nix
+++ b/pkgs/development/python-modules/pydantic/default.nix
@@ -29,7 +29,7 @@
 
 buildPythonPackage rec {
   pname = "pydantic";
-  version = "2.9.2";
+  version = "2.10.3";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -38,7 +38,7 @@ buildPythonPackage rec {
     owner = "pydantic";
     repo = "pydantic";
     rev = "refs/tags/v${version}";
-    hash = "sha256-Eb/9k9bNizRyGhjbW/LAE/2R0Ino4DIRDy5ZrQuzJ7o=";
+    hash = "sha256-/QxWgViqVmPnX/sO+qkvGl+WQX3OPXpS44CdP2HHOis=";
   };
 
   buildInputs = lib.optionals (pythonOlder "3.9") [ libxcrypt ];