diff --git a/apps/backend/pyproject.toml b/apps/backend/pyproject.toml
index 78f6f3ec..6effba6c 100644
--- a/apps/backend/pyproject.toml
+++ b/apps/backend/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
     "protobuf>=7.35.1",
     "httpx>=0.28.1",
     "beautifulsoup4>=4.15.0",
-    "pydantic-ai-slim[google,openai]>=1.107.0",
+    "pydantic-ai-slim[google,openai]>=2.19.0",
     "openai>=2.46.0",
     "pillow>=12.3.0",
     "azure-communication-email>=1.1.0",
diff --git a/apps/backend/uv.lock b/apps/backend/uv.lock
index 97b5909e..8001a18e 100644
--- a/apps/backend/uv.lock
+++ b/apps/backend/uv.lock
@@ -486,7 +486,7 @@ requires-dist = [
     { name = "pgvector", specifier = ">=0.5.0" },
     { name = "pillow", specifier = ">=12.3.0" },
     { name = "protobuf", specifier = ">=7.35.1" },
-    { name = "pydantic-ai-slim", extras = ["google", "openai"], specifier = ">=1.107.0" },
+    { name = "pydantic-ai-slim", extras = ["google", "openai"], specifier = ">=2.19.0" },
     { name = "pydantic-settings", specifier = ">=2.14.2" },
     { name = "pyjwt", extras = ["crypto"], specifier = ">=2.13.0" },
     { name = "sqlalchemy", specifier = ">=2.0.51" },
@@ -1123,15 +1123,15 @@ wheels = [
 
 [[package]]
 name = "genai-prices"
-version = "0.0.66"
+version = "0.0.72"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "httpx2" },
     { name = "pydantic" },
 ]
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+    { url = "https://files.pythonhosted.org/packages/22/2e/1e2c31666f7e4e2d0327a80f1c920fd8764ccd27672c4bc389d79219ece6/genai_prices-0.0.72-py3-none-any.whl", hash = "sha256:21281d8df34d9bfbb736e0763a60ceda02226938cd47379ae437a44fcf8ba23d", size = 85238, upload-time = "2026-07-22T21:11:02.911Z" },
 ]
 
 [[package]]
@@ -2676,7 +2676,7 @@ email = [
 
 [[package]]
 name = "pydantic-ai-slim"
-version = "1.107.0"
+version = "2.19.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "genai-prices" },
@@ -2687,9 +2687,9 @@ dependencies = [
     { name = "pydantic-graph" },
     { name = "typing-inspection" },
 ]
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 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/c4/36/72d9d0c40cc9ac44b2bc359eb3c611d445077a988661ff3162ea9f96de1a/pydantic_ai_slim-2.19.0-py3-none-any.whl", hash = "sha256:5663f4e2fa0b0a63eab355ccf297bae8682bfcbb0efd7c1dd6e334860d794687", size = 1094129, upload-time = "2026-07-28T03:40:43.496Z" },
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 [package.optional-dependencies]
@@ -2791,7 +2791,7 @@ wheels = [
 
 [[package]]
 name = "pydantic-graph"
-version = "1.107.0"
+version = "2.19.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "httpx" },
@@ -2799,9 +2799,9 @@ dependencies = [
     { name = "pydantic" },
     { name = "typing-inspection" },
 ]
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 [[package]]