diff --git a/packages/nonebot-plugin-docs/pyproject.toml b/packages/nonebot-plugin-docs/pyproject.toml
index 7f3a49bc..6f5bc9ea 100644
--- a/packages/nonebot-plugin-docs/pyproject.toml
+++ b/packages/nonebot-plugin-docs/pyproject.toml
@@ -14,6 +14,7 @@ include = ["nonebot_plugin_docs/dist/**/*"]
 [tool.poetry.dependencies]
 python = "^3.7"
 nonebot2 = "^2.0.0-alpha.1"
+aiofiles = "^0.6.0"
 
 [tool.poetry.dev-dependencies]