diff --git a/requirements-base.txt b/requirements-base.txt
index 8cee4bb..7c540d6 100644
--- a/requirements-base.txt
+++ b/requirements-base.txt
@@ -2,23 +2,23 @@
 # This layer is cached separately for faster builds
 
 # Core API Framework
-fastapi==0.127.0
+fastapi==0.128.5
 uvicorn[standard]==0.40.0
 pydantic==2.12.5
 pydantic-settings==2.12.0
 sse-starlette>=2.0.0
 
 # Database
-sqlalchemy==2.0.45
+sqlalchemy==2.0.46
 psycopg2-binary==2.9.11
-alembic==1.17.2
+alembic==1.18.3
 asyncpg==0.31.0
 aiomysql==0.3.2
-aiosqlite==0.22.0
+aiosqlite==0.22.1
 
 # Utilities
 python-dotenv==1.2.1
-tenacity==9.1.2
+tenacity==9.1.4
 pyyaml==6.0.3
 
 # Caching
@@ -26,7 +26,7 @@ redis>=5.0.0
 hiredis>=2.3.0
 
 # Monitoring & Logging
-prometheus-client==0.23.1
+prometheus-client==0.24.1
 structlog==25.5.0
 
 # Security
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 97d1eea..e2dcc30 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,7 +10,7 @@ fakeredis>=2.21.0
 
 # Code Quality
 black==25.12.0
-ruff==0.14.10
+ruff==0.15.0
 mypy==1.19.1
 pre-commit==4.5.1
 
diff --git a/requirements.txt b/requirements.txt
index aa52e47..62910e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,25 +13,25 @@
 # ============================================================================
 
 # Core API Framework
-fastapi==0.127.0
+fastapi==0.128.5
 uvicorn[standard]==0.40.0
 pydantic==2.12.5
 pydantic-settings==2.12.0
 sse-starlette>=2.0.0  # Server-Sent Events for streaming (Issue #8)
 
 # Database
-sqlalchemy==2.0.45
+sqlalchemy==2.0.46
 psycopg2-binary==2.9.11
-alembic==1.17.2
+alembic==1.18.3
 
 # Async Database Drivers
 asyncpg==0.31.0
 aiomysql==0.3.2
-aiosqlite==0.22.0
+aiosqlite==0.22.1
 
 # Utilities
 python-dotenv==1.2.1
-tenacity==9.1.2
+tenacity==9.1.4
 pyyaml==6.0.3
 
 # Caching (Issue #8: Performance Optimization)
@@ -39,7 +39,7 @@ redis>=5.0.0
 hiredis>=2.3.0  # C parser for better Redis performance
 
 # Monitoring & Logging
-prometheus-client==0.23.1
+prometheus-client==0.24.1
 structlog==25.5.0
 
 # Distributed Tracing (Issue #9: Monitoring & Observability)
@@ -90,6 +90,6 @@ fakeredis>=2.21.0  # Redis mocking for tests (Issue #8)
 
 # Code Quality
 black==25.12.0
-ruff==0.14.10
+ruff==0.15.0
 mypy==1.19.1
 pre-commit==4.5.1