diff --git a/dev-requirements.txt b/dev-requirements.txt
index 65962508..e0cef828 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -138,9 +138,9 @@ unittest-xml-reporting==3.1.0 \
     --hash=sha256:c6178ad2d782c5c21d129758f089fd26da2cba8428cf2905994aa105a13fb317 \
     --hash=sha256:d16fe30ba6914ac01ee3d338f457ef602003bf33af9d2523b884de4535a1c375
     # via -r dev-requirements.in
-waitress==2.0.0 \
-    --hash=sha256:29af5a53e9fb4e158f525367678b50053808ca6c21ba585754c77d790008c746 \
-    --hash=sha256:69e1f242c7f80273490d3403c3976f3ac3b26e289856936d1f620ed48f321897
+waitress==3.0.1 \
+    --hash=sha256:26cdbc593093a15119351690752c99adc13cbc6786d75f7b6341d1234a3730ac \
+    --hash=sha256:ef0c1f020d9f12a515c4ec65c07920a702613afcad1dbfdc3bcec256b6c072b3
     # via webtest
 webob==1.8.7 \
     --hash=sha256:73aae30359291c14fa3b956f8b5ca31960e420c28c1bec002547fb04928cf89b \