diff --git a/pyproject.toml b/pyproject.toml
index f6dd6646..f41e9448 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
     "jieba>=0.42.1",
     "json-repair>=0.47.6",
     "maim-message>=0.6.2",
-    "maibot-plugin-sdk>=1.2.3",
+    "maibot-plugin-sdk>=1.2.3,<2.0.0",
     "msgpack>=1.1.2",
     "numpy>=2.2.6",
     "openai>=1.95.0",
diff --git a/requirements.txt b/requirements.txt
index 6a72e1e4..a1160c4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ httpx
 jieba>=0.42.1
 json-repair>=0.47.6
 maim-message>=0.6.2
-maibot-plugin-sdk>=1.2.3
+maibot-plugin-sdk>=1.2.3,<2.0.0
 msgpack>=1.1.2
 numpy>=2.2.6
 openai>=1.95.0
@@ -29,4 +29,4 @@ structlog>=25.4.0
 tomlkit>=0.13.3
 typing-extensions
 uvicorn>=0.35.0
-watchfiles>=1.1.1
+watchfiles>=1.1.1
\ No newline at end of file