diff --git a/poetry.lock b/poetry.lock
index 0a3e57e5..e5bf6ab0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1701,14 +1701,14 @@ source = ["Cython (>=3.0.11,<3.1.0)"]
 
 [[package]]
 name = "mangum"
-version = "0.19.0"
+version = "0.20.0"
 description = "AWS Lambda support for ASGI applications"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "mangum-0.19.0-py3-none-any.whl", hash = "sha256:e500b35f495d5e68ac98bc97334896d6101523f2ee2c57ba6a61893b65266e59"},
-    {file = "mangum-0.19.0.tar.gz", hash = "sha256:e388e7c491b7b67970f8234e46fd4a7b21ff87785848f418de08148f71cf0bd6"},
+    {file = "mangum-0.20.0-py3-none-any.whl", hash = "sha256:c945eadc41916f73b6086c0c69935ef4b1d23d27de8dc74ed47b20e204335407"},
+    {file = "mangum-0.20.0.tar.gz", hash = "sha256:0050447b60d832dcc45cc9d917c9e0f4e9174e2d9630f621d567510d51d286bd"},
 ]
 
 [package.dependencies]
@@ -3712,4 +3712,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13"
-content-hash = "383eb0e3581570630fc52690d61866a180122fe61c891bea564a82f354a99992"
+content-hash = "d18872cda84f5109ee42533a687c1824768e6f9538742b4f3840d5775ca2efa2"
diff --git a/pyproject.toml b/pyproject.toml
index cf9a9c3a..bf9682fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ yarl = "^1.18.3"
 pydantic = "^2.12.5"
 asgiref = "^3.11.0"
 eval-type-backport = "^0.3.1"
-mangum = "^0.19.0"
+mangum = "^0.20.0"
 wireup = "^2.2.2"
 python-json-logger = "^4.0.0"
 python-dateutil = "^2.9.0"