diff --git a/requirements.txt b/requirements.txt
index ac43605..7270f3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 git+git://github.com/dbca-wa/dbca-utils@1.0.2
 psycopg2-binary==2.8.2
-Django==1.10.7
+Django==3.2.15
 django-extensions==1.7.6
 django-dotenv==1.4.2
 dj-database-url==0.5.0
@@ -25,3 +25,4 @@ xlwt==1.2.0
 pandas==0.19.2
 requests==2.20.0
 requests-ntlm==1.1.0
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability