diff --git a/pyproject.toml b/pyproject.toml
index 24ba78cab..aea1025b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "chromalog==1.0.5",
     "cryptography==41.0.4",
     "service-identity==21.1.0",
-    "twisted==22.4.0",
+    "twisted==23.8.0",
     "txtorcon==23.0.0",
 ]