diff --git a/requirements.txt b/requirements.txt
index 15a5699..f1443f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 flask
-flask-jwt-simple
\ No newline at end of file
+flask-jwt-simple
+pyjwt>=2.4.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file