diff --git a/requirements.txt b/requirements.txt
index c92c388..381eace 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,6 @@ certifi==2022.12.7
 cffi==1.14.4
 cfgv==3.2.0
 chardet==3.0.4
-charset-normalizer==3.1.0
 click==8.1.3
 click-didyoumean==0.3.0
 click-plugins==1.1.1
@@ -44,7 +43,6 @@ flake8==6.0.0
 Flask==2.2.5
 flask-apispec==0.11.4
 flask-babel==3.1.0
-Flask-BabelEx==0.9.4
 Flask-Bootstrap==3.3.7.1
 Flask-Cors==3.0.10
 Flask-Dance==6.2.0
@@ -121,6 +119,7 @@ requests==2.31.0
 requests-mock==1.10.0
 requests-oauthlib==1.3.0
 rope==1.7.0
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
 six==1.15.0
 soupsieve==2.1
 speaklater==1.3