diff --git a/requirements/prod.txt b/requirements/prod.txt
old mode 100755
new mode 100644
index 84a3efda5e4..9563ba504c9
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -282,9 +282,9 @@ greenlet==0.4.17 \
     # via
     #   -r requirements/prod.in
     #   meinheld
-gunicorn==19.7.1 \
-    --hash=sha256:75af03c99389535f218cc596c7de74df4763803f7b63eb09d77e92b3956b36c6 \
-    --hash=sha256:eee1169f0ca667be05db3351a0960765620dad53f53434262ff8901b68a1b622
+gunicorn==21.2.0 \
+    --hash=sha256:3213aa5e8c24949e792bcacfc176fef362e7aac80b76c56f6b5122bf350722f0 \
+    --hash=sha256:88ec8bff1d634f98e61b9f65bc4bf3cd918a90806c6f5c48bc5603849ec81033
     # via -r requirements/prod.in
 honcho==1.1.0 \
     --hash=sha256:a4d6e3a88a7b51b66351ecfc6e9d79d8f4b87351db9ad7e923f5632cc498122f \