diff --git a/pyproject.toml b/pyproject.toml
index 3499a960..b3eaca1b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,14 @@ dependencies = [
     "boto3>=1.34.0",
     "langsmith>=0.7.30",
     "yara-python>=4.5.0",
+    # Python 3.14 compat: jsonschema-rs (pulled in transitively via
+    # langgraph-cli[inmem] -> langgraph-api) only ships prebuilt cp314 wheels
+    # continuously from 0.40.4 onward. Releases 0.35.0-0.40.3 have no cp314
+    # wheels, so an unlocked fresh resolve could pick one and be force-built
+    # from source against an outdated pyo3 that does not support 3.14, breaking
+    # the install. langgraph-api caps jsonschema-rs at <0.45, so >=0.40.4 keeps
+    # a 3.14-compatible wheel while staying within the cap.
+    "jsonschema-rs>=0.40.4",
 ]
 
 [project.optional-dependencies]
diff --git a/src/skillspector/mcp_server.py b/src/skillspector/mcp_server.py
index e8aadedc..85531390 100644
--- a/src/skillspector/mcp_server.py
+++ b/src/skillspector/mcp_server.py
@@ -36,6 +36,7 @@
 from skillspector.llm_utils import is_llm_available
 from skillspector.logging_config import get_logger
 
+
 if TYPE_CHECKING:
     from mcp.server.fastmcp import FastMCP
 
diff --git a/uv.lock b/uv.lock
index bdf5743c..bf8a608f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.12, <3.15"
 resolution-markers = [
     "python_full_version >= '3.14' and sys_platform == 'win32'",
@@ -2665,6 +2665,7 @@ source = { editable = "." }
 dependencies = [
     { name = "boto3" },
     { name = "httpx" },
+    { name = "jsonschema-rs" },
     { name = "langchain-anthropic" },
     { name = "langchain-aws" },
     { name = "langchain-core" },
@@ -2701,6 +2702,7 @@ requires-dist = [
     { name = "boto3", specifier = ">=1.34.0" },
     { name = "build", marker = "extra == 'dev'", specifier = ">=1.4.0" },
     { name = "httpx", specifier = ">=0.28.0" },
+    { name = "jsonschema-rs", specifier = ">=0.40.4" },
     { name = "langchain-anthropic", specifier = ">=1.4.5" },
     { name = "langchain-aws", specifier = ">=0.2.0" },
     { name = "langchain-core", specifier = ">=1.2.17" },