diff --git a/.kokoro/docker/docs/requirements.txt b/.kokoro/docker/docs/requirements.txt
index a805c98..4609d9a 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==3.14.0 \
-    --hash=sha256:43339835842f110ca7ae60f1e1c160714c5a6afd15a2873419ab185334975c0f \
-    --hash=sha256:6ea72da3be9b8c82afd3edcf99f2fffbb5076335a5ae4d03248bb5b6c3eae78a
+filelock==3.20.3 \
+    --hash=sha256:18c57ee915c7ec61cff0ecf7f0f869936c7c30191bb0cf406f1341778d0834e1 \
+    --hash=sha256:4b0dda527ee31078689fc205ec4f1c1bf7d56cf88b6dc9426c4f230e46c2dce1
     # via virtualenv
 nox==2024.4.15 \
     --hash=sha256:6492236efa15a460ecb98e7b67562a28b70da006ab0be164e8821177577c0565 \
@@ -32,7 +32,7 @@ platformdirs==4.2.1 \
     --hash=sha256:031cd18d4ec63ec53e82dceaac0417d218a6863f7745dfcc9efe7793b7039bdf \
     --hash=sha256:17d5a1161b3fd67b390023cb2d3b026bbd40abde6fdb052dfbd3a29c3ba22ee1
     # via virtualenv
-virtualenv==20.26.1 \
-    --hash=sha256:604bfdceaeece392802e6ae48e69cec49168b9c5f4a44e483963f9242eb0e78b \
-    --hash=sha256:7aa9982a728ae5892558bff6a2839c00b9ed145523ece2274fad6f414690ae75
+virtualenv==20.36.1 \
+    --hash=sha256:575a8d6b124ef88f6f51d56d656132389f961062a9177016a50e4f507bbcc19f \
+    --hash=sha256:8befb5c81842c641f8ee658481e42641c68b5eab3521d8e092d18320902466ba
     # via nox