diff --git a/requirements.txt b/requirements.txt
index c1119ca..159ae82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2023.7.22
+certifi==2024.7.4
 chardet==3.0.4
 Click==7.0
 cplex==12.8.0.1
@@ -6,7 +6,7 @@ docloud==1.0.369
 docplex==2.9.141
 Flask==2.3.2
 Flask-Cors==3.0.9
-idna==2.8
+idna==3.7
 itsdangerous==1.1.0
 Jinja2==3.1.3
 MarkupSafe==1.1.1
@@ -15,8 +15,9 @@ pandas==0.24.2
 pprint==0.1
 python-dateutil==2.8.0
 pytz==2019.1
-requests==2.31.0
+requests==2.32.2
 six==1.12.0
 tqdm==4.31.1
-urllib3==1.26.18
+urllib3==1.26.19
 Werkzeug==3.0.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability