diff --git a/pkgs/development/python-modules/genai-prices/default.nix b/pkgs/development/python-modules/genai-prices/default.nix
index 100535ed84f8..3d223f03035e 100644
--- a/pkgs/development/python-modules/genai-prices/default.nix
+++ b/pkgs/development/python-modules/genai-prices/default.nix
@@ -4,7 +4,8 @@
   fetchFromGitHub,
 
   # build-system
-  uv-build,
+  hatchling,
+  uv-dynamic-versioning,
 
   # dependencies
   httpx2,
@@ -13,20 +14,21 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "genai-prices";
-  version = "0.1.3";
+  version = "0.1.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "genai-prices";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-9fXJ+ZcQ7v2EjRx5LQVNsOSK32T4h0cAp4dKTTDRlpo=";
+    hash = "sha256-DNNFYB2+Rvq/QTjBSf0bGrTpIm8VmmjIuojvNg+Hbxk=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/packages/python";
 
   build-system = [
-    uv-build
+    hatchling
+    uv-dynamic-versioning
   ];
 
   dependencies = [
diff --git a/pkgs/development/python-modules/pydantic-ai-slim/default.nix b/pkgs/development/python-modules/pydantic-ai-slim/default.nix
index b5e6e8fcddbe..0cc14086d222 100644
--- a/pkgs/development/python-modules/pydantic-ai-slim/default.nix
+++ b/pkgs/development/python-modules/pydantic-ai-slim/default.nix
@@ -10,9 +10,10 @@
   uv-dynamic-versioning,
 
   # dependencies
+  anyio,
   genai-prices,
   griffelib,
-  httpx,
+  httpx2,
   opentelemetry-api,
   pydantic-graph,
   pydantic,
@@ -22,14 +23,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pydantic-ai-slim";
-  version = "2.31.1";
+  version = "2.51.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "pydantic-ai";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-9kAUDDstOJP+s/eRZ6DtS7tZ16zIz7yxDpNJtAYiEmw=";
+    hash = "sha256-vrbBnSFnmIzqFJUVd2dZ8tDaO4/XXsVZvUUH+idttw8=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/pydantic_ai_slim";
@@ -40,9 +41,10 @@ buildPythonPackage (finalAttrs: {
   ];
 
   dependencies = [
+    anyio
     genai-prices
     griffelib
-    httpx
+    httpx2
     opentelemetry-api
     pydantic-graph
     pydantic
diff --git a/pkgs/development/python-modules/pydantic-graph/default.nix b/pkgs/development/python-modules/pydantic-graph/default.nix
index 86b783960c69..2f6dcc2c83bb 100644
--- a/pkgs/development/python-modules/pydantic-graph/default.nix
+++ b/pkgs/development/python-modules/pydantic-graph/default.nix
@@ -8,7 +8,7 @@
   uv-dynamic-versioning,
 
   # dependencies
-  httpx,
+  anyio,
   logfire-api,
   pydantic,
   typing-inspection,
@@ -19,14 +19,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pydantic-graph";
-  version = "2.31.1";
+  version = "2.51.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "pydantic-ai";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-9kAUDDstOJP+s/eRZ6DtS7tZ16zIz7yxDpNJtAYiEmw=";
+    hash = "sha256-vrbBnSFnmIzqFJUVd2dZ8tDaO4/XXsVZvUUH+idttw8=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/pydantic_graph";
@@ -37,7 +37,7 @@ buildPythonPackage (finalAttrs: {
   ];
 
   dependencies = [
-    httpx
+    anyio
     logfire-api
     pydantic
     typing-inspection