diff --git a/requirements.in b/requirements.in
index cec938dd..7a6a12c5 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,3 +1,4 @@
+certifi>=2024.7.4
 gender_guesser
 geopy
 jinja2>=3.1.5
diff --git a/requirements.txt b/requirements.txt
index 1a88f6ed..7d8d62ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,8 +24,10 @@ cairocffi==1.7.0
     # via cairosvg
 cairosvg==2.7.1
     # via mkdocs-material
-certifi==2024.6.2
-    # via requests
+certifi==2025.1.31
+    # via
+    #   -r requirements.in
+    #   requests
 cffi==1.16.0
     # via cairocffi
 charset-normalizer==3.3.2