diff --git a/projects/weather_forecasting/dashboard/requirements.txt b/projects/weather_forecasting/dashboard/requirements.txt
index 5a21ae36..b7a35d58 100644
--- a/projects/weather_forecasting/dashboard/requirements.txt
+++ b/projects/weather_forecasting/dashboard/requirements.txt
@@ -9,3 +9,4 @@ requests
 sklearn
 timezonefinder
 pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
+mistune>=2.0.1 # not directly required, pinned by Snyk to avoid a vulnerability