diff --git a/requirements-pi.txt b/requirements-pi.txt
index 8e55be5c3..f420b7201 100644
--- a/requirements-pi.txt
+++ b/requirements-pi.txt
@@ -6,7 +6,7 @@ python-telegram-bot==11.1.0
 arrow==0.13.1
 cachetools==3.1.0
 requests==2.21.0
-urllib3==1.24.2
+urllib3==1.24.2  # pyup: ignore
 wrapt==1.11.1
 scikit-learn==0.20.3
 joblib==0.13.2