diff --git a/pyproject.toml b/pyproject.toml
index 4877015..66c13db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,14 +40,14 @@ classifiers = [
 ]
 dependencies = [
     "fastapi>=0.141.1",
-    "uvicorn[standard]>=0.52.1",
+    "uvicorn[standard]>=0.52.3",
     "pydantic>=2.13.4",
 ]
 
 [project.optional-dependencies]
 langchain = [
-    "langchain>=1.3.14",
-    "langchain-core>=1.5.3",
+    "langchain>=1.3.15",
+    "langchain-core>=1.5.5",
 ]
 ollama = [
     "ollama>=0.6.2",
@@ -56,7 +56,7 @@ all = [
     "memos[langchain,ollama]",
 ]
 dev = [
-    "ruff>=0.16.2",
+    "ruff>=0.16.3",
     "pytest>=9.1.1",
     "pytest-asyncio>=1.4.0",
     "httpx>=0.28.1",