diff --git a/ipywidgets/EngComp3_flyatchange/requirements.txt b/ipywidgets/EngComp3_flyatchange/requirements.txt
index d4cdcc9..867909a 100644
--- a/ipywidgets/EngComp3_flyatchange/requirements.txt
+++ b/ipywidgets/EngComp3_flyatchange/requirements.txt
@@ -12,4 +12,4 @@ notebook==6.4.12
 numpy==1.22.0
 numpydoc==0.7.0
 pandas==0.20.3
-urllib3==1.26.5
+urllib3==1.26.17