diff --git a/pyproject.toml b/pyproject.toml
index 53e87bc0..911a0a80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
 ]
 dependencies = [
     "betfairlightweight==2.21.2",
-    "tenacity>=7.0.0,<8.3.1",
+    "tenacity>=7.0.0,<9.1.3",
     "python-json-logger==2.0.7",
     "requests",
     "betconnect==0.2.2",
diff --git a/requirements.txt b/requirements.txt
index 5e53eeb0..f71fd036 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 betfairlightweight==2.21.2
-tenacity>=7.0.0,<8.3.1
+tenacity>=7.0.0,<9.1.3
 python-json-logger==2.0.7
 requests
 betconnect==0.2.2