diff --git a/requirements.txt b/requirements.txt
index f6a22a0233..bcc8a20e27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.11.0
+numpy==1.22.2
 networkx==1.11
 -e git+https://github.com/keyphact/pgoapi.git@249d3be7fbbdabc7f9adea17cbc899d6549e47a2#egg=pgoapi
 geopy==1.11.0
@@ -22,3 +22,4 @@ mock==2.0.0
 timeout-decorator==0.3.2
 raven==5.23.0
 demjson==2.2.4
+werkzeug>=2.2.3 # not directly required, pinned by Snyk to avoid a vulnerability