diff --git a/poetry.lock b/poetry.lock
index 5d26315..c6087e2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -389,13 +389,13 @@ files = [
 
 [[package]]
 name = "fastapi"
-version = "0.115.4"
+version = "0.115.5"
 description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "fastapi-0.115.4-py3-none-any.whl", hash = "sha256:0b504a063ffb3cf96a5e27dc1bc32c80ca743a2528574f9cdc77daa2d31b4742"},
-    {file = "fastapi-0.115.4.tar.gz", hash = "sha256:db653475586b091cb8b2fec2ac54a680ac6a158e07406e1abae31679e8826349"},
+    {file = "fastapi-0.115.5-py3-none-any.whl", hash = "sha256:596b95adbe1474da47049e802f9a65ab2ffa9c2b07e7efee70eb8a66c9f2f796"},
+    {file = "fastapi-0.115.5.tar.gz", hash = "sha256:0e7a4d0dc0d01c68df21887cce0945e72d3c48b9f4f79dfe7a7d53aa08fbb289"},
 ]
 
 [package.dependencies]
@@ -1273,4 +1273,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "bb6e86e1bd0e14a43c3845d738e8290ebb9e69f024a015fda0d58a964c8cb7ae"
+content-hash = "c00e2035abc7c0cd39361f93026bf7a9b82cba826bc999ca5d1ce419c9be697c"
diff --git a/pyproject.toml b/pyproject.toml
index c8bdbc6..24a0370 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ license = "MIT"
 python = "^3.11"
 slack-bolt = ">=1.10.0,<2.0.0"
 pymongo = { extras = ["srv"], version = "^4.10.1" }
-fastapi = "^0.115.4"
+fastapi = "^0.115.5"
 uvicorn = "^0.32.0"
 
 [tool.poetry.group.dev.dependencies]