diff --git a/src/dstack/__init__.py b/src/dstack/__init__.py
index e69de29bb..a90955ea7 100644
--- a/src/dstack/__init__.py
+++ b/src/dstack/__init__.py
@@ -0,0 +1,4 @@
+import sys
+
+if sys.version_info >= (3, 14):
+    raise ImportError("dstack does not support Python 3.14 or later. Please use Python 3.10–3.13.")