diff --git a/pyproject.toml b/pyproject.toml
index c4e5a75af..e636ddafe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
   "scipy>=1.8.1,<2.0.0",
   "rapidfuzz",
   "timple>=0.1.6",
-  "websockets>=10.3",
+  "websockets>=10.3,<14",
 ]
 
 [project.urls]
diff --git a/requirements/dev.txt b/requirements/dev.txt
index d54d4a622..831ba0a3a 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -16,8 +16,8 @@ wheel
 xdoctest
 pre-commit
 requests>=2.28.1
-websockets>=10.3
+websockets>=10.3,<14
 seaborn
 plotly
 seaborn
-kaleido
\ No newline at end of file
+kaleido