diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index b383cb19..40a07a49 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -13,11 +13,11 @@ license = {text = "MIT"}
 # Core dependencies shared across both APIs
 dependencies = [
     # FastAPI and web framework
-    "fastapi==0.135.3",
+    "fastapi==0.136.0",
     "uvicorn[standard]==0.44.0",
 
     # AWS and cloud services
-    "boto3==1.42.83",
+    "boto3==1.42.91",
 
     # Utilities
     "python-dotenv==1.2.2",
@@ -28,7 +28,7 @@ dependencies = [
     "pyjwt[crypto]==2.12.1",
 
     # OAuth provider management
-    "authlib==1.6.9",
+    "authlib==1.7.0",
     "cachetools==6.2.4",
 
     # Security: pin starlette to fix Dependabot alert (transitive via fastapi)
@@ -38,19 +38,19 @@ dependencies = [
 [project.optional-dependencies]
 # AgentCore-specific dependencies (for inference_api)
 agentcore = [
-    "strands-agents==1.34.1",
-    "strands-agents-tools==0.3.0",
+    "strands-agents==1.36.0",
+    "strands-agents-tools==0.5.0",
 
-    "aws-opentelemetry-distro==0.16.0",
-    "bedrock-agentcore==1.6.0",
+    "aws-opentelemetry-distro==0.17.0",
+    "bedrock-agentcore==1.6.3",
     # Multi-provider LLM support
-    "openai==2.30.0",  # For OpenAI models
-    "google-genai==1.70.0",  # For Google Gemini models
+    "openai==2.32.0",  # For OpenAI models
+    "google-genai==1.73.1",  # For Google Gemini models
 ]
 
 # Voice/BidiAgent dependencies (Nova Sonic speech-to-speech)
 bidi = [
-    "strands-agents[bidi]==1.34.1",
+    "strands-agents[bidi]==1.36.0",
 ]
 
 # Document ingestion pipeline dependencies (for Lambda deployment)
@@ -61,14 +61,14 @@ bidi = [
 
 # Development dependencies
 dev = [
-    "pytest==9.0.2",
+    "pytest==9.0.3",
     "pytest-asyncio==1.3.0",
     "pytest-cov==7.1.0",
-    "hypothesis==6.151.11",
+    "hypothesis==6.152.1",
     "moto[dynamodb,cognitoidp]==5.1.22",
     "black==26.3.1",
-    "ruff==0.15.9",
-    "mypy==1.20.0",
+    "ruff==0.15.11",
+    "mypy==1.20.1",
     "types-aiofiles==25.1.0.20251011",
     "tiktoken==0.12.0",
     "numpy==2.2.6",