diff --git a/requirements-ci.txt b/requirements-ci.txt
index b7717cf..d584a4d 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -11,7 +11,7 @@ aiohttp>=3.3,<4.0
 # i.e. CI exercised a different websockets implementation than the server
 # actually uses, on the exact axis where they diverge. Bump both together,
 # deliberately, not one as a side effect.
-websockets>=10.0,<14.0
+websockets>=16.1.1,<17.0
 psutil
 cbor2>=5.4.0
 
diff --git a/requirements.txt b/requirements.txt
index 5c713ee..439b7af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ attrs
 plyvel
 pylru
 aiohttp>=3.3,<4.0
-websockets>=10.0,<14.0
+websockets>=16.1.1,<17.0
 psutil
 python-rocksdb<=0.7.0
 cbor2>=5.4.0