diff --git a/pyproject.toml b/pyproject.toml
index e6ee41f3..1c2dfced 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
   "pyright>=1.1.396,<2",
   "overrides>=7.7.0,<8",
   "python-dotenv>=1.0.0, <2",
-  "mcp>=1.5.0",
+  "mcp==1.12.2",
   "flask>=3.0.0",
   "sensai-utils>=1.5.0",
   "pydantic>=2.10.6",
diff --git a/uv.lock b/uv.lock
index b4ab8659..1f278a04 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1174,7 +1174,7 @@ requires-dist = [
     { name = "jinja2", specifier = ">=3.1.6" },
     { name = "jinja2", marker = "extra == 'dev'" },
     { name = "joblib", specifier = ">=1.5.1" },
-    { name = "mcp", specifier = ">=1.5.0" },
+    { name = "mcp", specifier = "==1.12.2" },
     { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.16.1" },
     { name = "overrides", specifier = ">=7.7.0,<8" },
     { name = "pathspec", specifier = ">=0.12.1" },