diff --git a/server/gti/pyproject.toml b/server/gti/pyproject.toml
index 8d6937dd..20468f5d 100644
--- a/server/gti/pyproject.toml
+++ b/server/gti/pyproject.toml
@@ -18,8 +18,8 @@ classifiers = [
     "Topic :: Security",
 ]
 dependencies = [
-    "mcp",
-    "vt-py"
+    "mcp>=1.23.0,<2.0",
+    "vt-py",
 ]
 
 [project.urls]
diff --git a/server/gti/setup.py b/server/gti/setup.py
index a30d3d9d..38528885 100644
--- a/server/gti/setup.py
+++ b/server/gti/setup.py
@@ -22,7 +22,7 @@
     version="0.1.2",
     packages=setuptools.find_packages(),
     install_requires=[
-        "mcp",
+        "mcp>=1.23.0,<2.0",
         "vt-py",
     ],
     extras_require={