diff --git a/requirements.txt b/requirements.txt
index cfa9f59c1..1abf6292c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,3 +41,5 @@ python-libmaas
 # Documentation requirements
 sphinx
 sphinxcontrib-asyncio
+# https://github.com/go-macaroon-bakery/py-macaroon-bakery/issues/94
+macaroonbakery!=1.3.3
diff --git a/setup.py b/setup.py
index 87445e411..2d41ffcf9 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,9 @@
     'PyYAML',
     'tenacity',
     'python-libmaas',
+
+    # https://github.com/go-macaroon-bakery/py-macaroon-bakery/issues/94
+    'macaroonbakery != 1.3.3',
 ]
 
 tests_require = [