diff --git a/pyproject.toml b/pyproject.toml
index ab4f590..ffcdf7a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "uvicorn[standard]>=0.32",
     # <2 is load-bearing: mcp 2.0 restructured the package and removed
     # mcp.server.fastmcp, which mcp_server.py imports.
-    "mcp>=1.9,<2",
+    "mcp>=1.9,<3",
     "qdrant-client>=1.12",
     "httpx>=0.28",
     "pydantic>=2.10",
diff --git a/requirements.txt b/requirements.txt
index d3926ae..1d4ab50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -100,7 +100,7 @@ loguru==0.7.3
     # via fastembed
 markupsafe==3.0.3
     # via jinja2
-mcp==1.29.0
+mcp==2.0.0
     # via mem-zero (pyproject.toml)
 mmh3==5.2.1
     # via fastembed
@@ -119,7 +119,7 @@ packaging==26.3
     #   onnxruntime
 pillow==12.3.0
     # via fastembed
-portalocker==3.2.0
+portalocker==4.1.0
     # via qdrant-client
 protobuf==7.35.1
     # via
@@ -136,7 +136,7 @@ pydantic==2.13.4
     #   mcp
     #   pydantic-settings
     #   qdrant-client
-pydantic-core==2.46.4
+pydantic-core==2.48.0
     # via pydantic
 pydantic-settings==2.15.0
     # via mcp