diff --git a/pyproject.toml b/pyproject.toml
index 23340efb19..3e9292d31d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -189,7 +189,8 @@ oci = [
     "dstack[server]",
 ]
 nebius = [
-    "nebius>=0.2.40,<0.3; python_version >= '3.10'",
+    # 0.2.73 breaks sdk backward compatibility: https://github.com/dstackai/dstack/issues/3171
+    "nebius>=0.2.40,<=0.2.72; python_version >= '3.10'",
     "dstack[server]",
 ]
 all = [