diff --git a/pyproject.toml b/pyproject.toml
index 8214826..3e08227 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ vector = [
     "lancedb>=0.20,<1.0",
 ]
 api = [
-    "fastapi>=0.115,<1.0",
+    "fastapi>=0.139.2,<1.0",
     "uvicorn>=0.30,<1.0",
 ]
 mcp = [
@@ -47,7 +47,7 @@ dev = [
     "twine>=5.0,<7.0",
 ]
 all = [
-    "fastapi>=0.115,<1.0",
+    "fastapi>=0.139.2,<1.0",
     "uvicorn>=0.30,<1.0",
     "mcp[cli]>=1.0,<2.0",
     "lancedb>=0.20,<1.0",
diff --git a/requirements-server.txt b/requirements-server.txt
index 2f2874a..9961a15 100644
--- a/requirements-server.txt
+++ b/requirements-server.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
-fastapi>=0.115,<1.0
+fastapi>=0.139.2,<1.0
 uvicorn>=0.30,<1.0