diff --git a/requirements.txt b/requirements.txt
index 3ee4336..c2571d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -243,7 +243,7 @@ cryptography>=50.0.0
 # This is why markdown2dash is installed with --no-deps above — CI asserts the
 # resolved version inside the built image, so a transitive pin can never drag
 # the production server back under the floor without failing the build.
-gunicorn>=23.0.0
+gunicorn>=26.0.0
 
 # --- Development / testing (optional, not installed by default) -------------
 # build       — `python -m build --wheel` to produce the PyPI artifact