diff --git a/requirements/dev.txt b/requirements/dev.txt
index e3c84a90..6f0a5fe4 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -6,7 +6,7 @@ google_compute_engine # Need this because boto has issues with dynamic package l
 ipython>=5.0
 ipywidgets
 notebook
-moto ~= 5.0
+moto >= 5.0.0,<5.1.0
 pytest>=4.1
 pytest-cov>=2.6.1
 pytest-mock>=1.10