diff --git a/pyproject.toml b/pyproject.toml
index 53e87bc0..48d61986 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 dependencies = [
     "betfairlightweight==2.21.2",
     "tenacity>=7.0.0,<8.3.1",
-    "python-json-logger==2.0.7",
+    "python-json-logger==3.3.0",
     "requests",
     "betconnect==0.2.2",
     "smart-open>=6,<8",
diff --git a/requirements.txt b/requirements.txt
index 5e53eeb0..131f0e89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 betfairlightweight==2.21.2
 tenacity>=7.0.0,<8.3.1
-python-json-logger==2.0.7
+python-json-logger==3.3.0
 requests
 betconnect==0.2.2
 smart-open>=6,<8