diff --git a/requirements/requirements-prod.in b/requirements/requirements-prod.in
index 4edbd91f0..ba5a5a787 100644
--- a/requirements/requirements-prod.in
+++ b/requirements/requirements-prod.in
@@ -47,7 +47,7 @@ setuptools==82.0.0
 six==1.17.0
 sqlalchemy==1.4.54
 statsd==3.3.0
-tldextract==3.1.2
+tldextract==5.3.1
 structlog==23.1.0
 typing_extensions
 urllib3==2.6.3
diff --git a/requirements/requirements-prod.txt b/requirements/requirements-prod.txt
index f023cdd2d..d0f1471b2 100644
--- a/requirements/requirements-prod.txt
+++ b/requirements/requirements-prod.txt
@@ -1126,9 +1126,9 @@ tld==0.12.6 \
     --hash=sha256:b6650f2d5392a49760064bc55d73ce3397a378ef24ded96efb516c6b8ec68c26 \
     --hash=sha256:ef5b162d6fa295822dacd4fe4df1b62d8df2550795a97399a8905821b58d3702
     # via flanker
-tldextract==3.1.2 \
-    --hash=sha256:d2034c3558651f7d8fdadea83fb681050b2d662dc67a00d950326dc902029444 \
-    --hash=sha256:f55e05f6bf4cc952a87d13594386d32ad2dd265630a8bdfc3df03bd60425c6b0
+tldextract==5.3.1 \
+    --hash=sha256:6bfe36d518de569c572062b788e16a659ccaceffc486d243af0484e8ecf432d9 \
+    --hash=sha256:a72756ca170b2510315076383ea2993478f7da6f897eef1f4a5400735d5057fb
     # via -r requirements-prod.in
 traitlets==5.9.0 \
     --hash=sha256:9e6ec080259b9a5940c797d58b613b5e31441c2257b87c2e795c5228ae80d2d8 \