diff --git a/python-requirements.txt b/python-requirements.txt
index bb655f6..959ea30 100644
--- a/python-requirements.txt
+++ b/python-requirements.txt
@@ -70,3 +70,6 @@
 
 # Dependencies: @matcha//util/run_live_cam.py
 pyserial == 3.5
+
+# Working version for CentOS 7
+urllib3==1.26.15