diff --git a/.kokoro/docker/docs/requirements.txt b/.kokoro/docker/docs/requirements.txt
index ac25c41..0e5d70f 100644
--- a/.kokoro/docker/docs/requirements.txt
+++ b/.kokoro/docker/docs/requirements.txt
@@ -16,9 +16,9 @@ distlib==0.3.8 \
     --hash=sha256:034db59a0b96f8ca18035f36290806a9a6e6bd9d1ff91e45a7f172eb17e51784 \
     --hash=sha256:1530ea13e350031b6312d8580ddb6b27a104275a31106523b8f123787f494f64
     # via virtualenv
-filelock==3.13.3 \
-    --hash=sha256:5ffa845303983e7a0b7ae17636509bc97997d58afeafa72fb141a17b152284cb \
-    --hash=sha256:a79895a25bbefdf55d1a2a0a80968f7dbb28edcd6d4234a0afb3f37ecde4b546
+filelock==3.13.1 \
+    --hash=sha256:521f5f56c50f8426f5e03ad3b281b490a87ef15bc6c526f168290f0c7148d44e \
+    --hash=sha256:57dbda9b35157b05fb3e58ee91448612eb674172fab98ee235ccb0b5bee19a1c
     # via virtualenv
 nox==2024.3.2 \
     --hash=sha256:e53514173ac0b98dd47585096a55572fe504fecede58ced708979184d05440be \