diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index 79171f19..a7b26a35 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -641,9 +641,9 @@ urllib3==2.2.3 \
     # via
     #   requests
     #   twine
-virtualenv==20.28.0 \
-    --hash=sha256:23eae1b4516ecd610481eda647f3a7c09aea295055337331bb4e6892ecce47b0 \
-    --hash=sha256:2c9c3262bb8e7b87ea801d715fae4495e6032450c71d2309be9550e7364049aa
+virtualenv==20.29.2 \
+    --hash=sha256:fdaabebf6d03b5ba83ae0a02cfe96f48a716f4fae556461d180825866f75b728 \
+    --hash=sha256:febddfc3d1ea571bdb1dc0f98d7b45d24def7428214d4fb73cc486c9568cce6a
     # via nox
 webencodings==0.5.1 \
     --hash=sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78 \