diff --git a/requirements-dev.txt b/requirements-dev.txt
index d7e4e13..b3506eb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
-paho-mqtt>=1.5.0
-requests>=2.19.1
-aiohttp[speedups]>=3.7.4.post0
+paho-mqtt>=1.5.0, < 2.0.0
+requests>=2.19.1, < 3.0.0
+aiohttp[speedups]>=3.7.4.post0, < 4.0.0
 pytest==6.2.5
 pytest-html==3.1.1
 pytest-cov==2.12.1