diff --git a/setup.py b/setup.py
index ab564867a..47e6c58ae 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
     install_requires=[
         "pycognito==2022.4.0",
         "snitun==0.31.0",
-        "acme==1.26.0",
+        "acme==1.27.0",
         "cryptography>=2.8,<38.0",
         "attrs>=19.3",
         "aiohttp>=3.6.1",