diff --git a/monitoring/requirements.txt b/monitoring/requirements.txt
index 67ce6090..4a1ba80b 100644
--- a/monitoring/requirements.txt
+++ b/monitoring/requirements.txt
@@ -2,14 +2,14 @@
 # Last audited: 2026-04-01
 # All versions pinned per ACT-003
 
-fastapi==0.138.1
-uvicorn==0.49.0
-qdrant-client==1.18.0
+fastapi==0.141.1
+uvicorn==0.52.1
+qdrant-client==1.19.0
 httpx==0.28.1
 pydantic==2.13.4
-pydantic-settings==2.14.2
-prometheus-client==0.25.0
-anthropic==0.111.0
+pydantic-settings==2.15.0
+prometheus-client==0.26.0
+anthropic==0.121.0
 tenacity==9.1.4
 tiktoken>=0.5.0,<1.0.0
 structlog>=24.0.0,<27.0.0
diff --git a/pyproject.toml b/pyproject.toml
index 7a0df8f8..0a53a804 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -119,12 +119,12 @@ dev = [
     # Evaluator provider SDK so CI can exercise the openai import path (BUG-316)
     "openai>=1.99.1,<3.0.0",
     # Streamlit dashboard (CI validation of docker/streamlit/app.py)
-    "streamlit==1.58.0",
+    "streamlit==1.61.1",
     # Embedding service resilience tests (CI validation of docker/embedding/main.py, TD-670)
     # fastapi pinned to match the shipped image (docker/embedding/requirements.txt:
     # fastapi[standard]==0.138.1); only the framework + TestClient are needed here, not
     # the [standard] server stack. httpx is required by fastapi.testclient.TestClient.
-    "fastapi==0.138.0",
+    "fastapi==0.141.1",
     "httpx>=0.27,<1.0",
 ]
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4722334e..e9db7dfe 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,16 +15,16 @@ psutil==7.2.2
 
 # E2E Testing
 pytest-playwright==0.8.0
-playwright==1.60.0
+playwright==1.62.0
 
 # Code Quality
 black==26.5.1
-ruff==0.15.20
+ruff==0.16.2
 isort>=5.13.0,<9.0.0
-mypy==2.1.0
+mypy==2.3.0
 
 # Prometheus metrics (Story 6.1)
-prometheus-client==0.25.0
+prometheus-client==0.26.0
 
 # Structured logging (Story 6.5)
 python-json-logger==4.1.0
@@ -34,7 +34,7 @@ ruamel.yaml==0.19.1
 
 # Configuration management (Story 7.4)
 pydantic==2.13.4
-pydantic-settings==2.14.2
+pydantic-settings==2.15.0
 
 # YAML parsing (required by tests/unit/test_sops_encryption.py)
 PyYAML==6.0.3
diff --git a/requirements.txt b/requirements.txt
index 38075a94..d42cccc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,23 +2,23 @@
 # Python 3.10+
 
 # Vector Database
-qdrant-client==1.18.0
+qdrant-client==1.19.0
 
 # HTTP Client
 httpx==0.28.1
 
 # Environment Configuration
 pydantic==2.13.4
-pydantic-settings==2.14.2
+pydantic-settings==2.15.0
 
 # Logging
 structlog>=24.0.0,<27.0.0
 
 # Monitoring (optional but included in core)
-prometheus-client==0.25.0
+prometheus-client==0.26.0
 
 # Anthropic SDK for conversation capture (TECH-DEBT-035)
-anthropic==0.111.0
+anthropic==0.121.0
 
 # Retry logic with exponential backoff (DEC-029, TECH-DEBT-041)
 tenacity==9.1.4
@@ -63,7 +63,7 @@ croniter>=2.0.0,<7.0.0
 # OpenAI SDK for the evaluator LLM-as-judge provider (BUG-316).
 # Used by evaluator/provider.py for the ollama (default), openrouter, openai,
 # and custom OpenAI-compatible provider paths; baked into the evaluator-scheduler image.
-openai==2.38.0
+openai==2.53.0
 
 # LLM Observability — Langfuse tracing (SPEC-020, PLAN-008)
 langfuse>=4.7.0,<4.11.0