diff --git a/pyproject.toml b/pyproject.toml
index fd485bc9..97d83ee7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 ]
 dependencies = [
     "betfairlightweight==2.20.2",
-    "tenacity>=7.0.0,<8.3.1",
+    "tenacity>=7.0.0,<9.0.1",
     "python-json-logger==2.0.7",
     "requests",
     "betconnect==0.2.1",
diff --git a/requirements.txt b/requirements.txt
index 0607ed54..e532bf6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 betfairlightweight==2.20.2
-tenacity>=7.0.0,<8.3.1
+tenacity>=7.0.0,<9.0.1
 python-json-logger==2.0.7
 requests
 betconnect==0.2.1