diff --git a/requirements.txt b/requirements.txt
index 43ec38d1..f3102a32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ django-genomix==1.1.0
 django-model-utils==3.2.0
 
 pronto==0.12.2  # Need to look into making it compatible with v1.  See #88
+django>=4.2.15 # not directly required, pinned by Snyk to avoid a vulnerability