diff --git a/pyproject.toml b/pyproject.toml
index c28bc20eb..429e3c2e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ dependencies = [
 
 [project.optional-dependencies]
 prod = [
-    "gunicorn==25.2.0",
+    "gunicorn==25.3.0",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index fa2f21e77..c74fca272 100644
--- a/uv.lock
+++ b/uv.lock
@@ -116,7 +116,7 @@ requires-dist = [
     { name = "drf-spectacular", specifier = "==0.29.0" },
     { name = "fhir-resources", specifier = "==8.2.0" },
     { name = "fpdf2", specifier = "==2.8.7" },
-    { name = "gunicorn", marker = "extra == 'prod'", specifier = "==25.2.0" },
+    { name = "gunicorn", marker = "extra == 'prod'", specifier = "==25.3.0" },
     { name = "hl7apy", specifier = "==1.3.5" },
     { name = "kaleido", specifier = "==1.2.0" },
     { name = "mysqlclient", specifier = "==2.2.8" },
@@ -1011,14 +1011,14 @@ wheels = [
 
 [[package]]
 name = "gunicorn"
-version = "25.2.0"
+version = "25.3.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "packaging" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/dd/13/dd3f8e40ea3ee907a6cbf3d1f1f81afcc3ecd0087d313baabfe95372f15c/gunicorn-25.2.0.tar.gz", hash = "sha256:10bd7adb36d44945d97d0a1fdf9a0fb086ae9c7b39e56b4dece8555a6bf4a09c", size = 632709, upload-time = "2026-03-24T22:49:54.433Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c4/f4/e78fa054248fab913e2eab0332c6c2cb07421fca1ce56d8fe43b6aef57a4/gunicorn-25.3.0.tar.gz", hash = "sha256:f74e1b2f9f76f6cd1ca01198968bd2dd65830edc24b6e8e4d78de8320e2fe889", size = 634883, upload-time = "2026-03-27T00:00:26.092Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/11/53/fb024445837e02cd5cf989cf349bfac6f3f433c05184ea5d49c8ade751c6/gunicorn-25.2.0-py3-none-any.whl", hash = "sha256:88f5b444d0055bf298435384af7294f325e2273fd37ba9f9ff7b98e0a1e5dfdc", size = 211659, upload-time = "2026-03-24T22:49:52.528Z" },
+    { url = "https://files.pythonhosted.org/packages/43/c8/8aaf447698c4d59aa853fd318eed300b5c9e44459f242ab8ead6c9c09792/gunicorn-25.3.0-py3-none-any.whl", hash = "sha256:cacea387dab08cd6776501621c295a904fe8e3b7aae9a1a3cbb26f4e7ed54660", size = 208403, upload-time = "2026-03-27T00:00:27.386Z" },
 ]
 
 [[package]]