diff --git a/requirements.txt b/requirements.txt
index 72c2d6998e..eb33958d3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ python-dateutil==2.8.2
 service_identity==21.1.0
 tftpy==0.8.2
 treq==21.5.0
-twisted==21.7.0
+twisted==22.2.0
diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index d33f09fae8..da24dcf3b9
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
     ],
     setup_requires=["incremental", "click"],
     install_requires=[
-        "twisted==21.2.0",
+        "twisted==22.2.0",
         "cryptography>=0.9.1",
         "configparser",
         "pyopenssl",