diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index c42bbe0d7..1ac15162b 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -141,17 +141,17 @@ cryptography==43.0.1 \
     # via
     #   gcp-releasetool
     #   secretstorage
-distlib==0.3.6 \
-    --hash=sha256:14bad2d9b04d3a36127ac97f30b12a19268f211063d8f8ee4f47108896e11b46 \
-    --hash=sha256:f35c4b692542ca110de7ef0bea44d73981caeb34ca0b9b6b2e6d7790dda8f80e
+distlib==0.3.9 \
+    --hash=sha256:47f8c22fd27c27e25a65601af709b38e4f0a45ea4fc2e710f65755fa8caaaf87 \
+    --hash=sha256:a60f20dea646b8a33f3e7772f74dc0b2d0772d2837ee1342a00645c81edf9403
     # via virtualenv
 docutils==0.19 \
     --hash=sha256:33995a6753c30b7f577febfc2c50411fec6aac7f7ffeb7c4cfe5991072dcf9e6 \
     --hash=sha256:5e1de4d849fee02c63b040a4a3fd567f4ab104defd8a5511fbbc24a8a017efbc
     # via readme-renderer
-filelock==3.8.2 \
-    --hash=sha256:7565f628ea56bfcd8e54e42bdc55da899c85c1abfe1b5bcfd147e9188cebb3b2 \
-    --hash=sha256:8df285554452285f79c035efb0c861eb33a4bcfa5b7a137016e32e6a90f9792c
+filelock==3.16.1 \
+    --hash=sha256:2082e5703d51fbf98ea75855d9d5527e33d8ff23099bec374a134febee6946b0 \
+    --hash=sha256:c249fbfcd5db47e5e2d6d62198e565475ee65e4831e2561c8e313fa7eb961435
     # via virtualenv
 gcp-docuploader==0.6.4 \
     --hash=sha256:01486419e24633af78fd0167db74a2763974765ee8078ca6eb6964d0ebd388af \
@@ -352,9 +352,9 @@ pkginfo==1.9.2 \
     --hash=sha256:ac03e37e4d601aaee40f8087f63fc4a2a6c9814dda2c8fa6aab1b1829653bdfa \
     --hash=sha256:d580059503f2f4549ad6e4c106d7437356dbd430e2c7df99ee1efe03d75f691e
     # via twine
-platformdirs==2.6.0 \
-    --hash=sha256:1a89a12377800c81983db6be069ec068eee989748799b946cce2a6e80dcc54ca \
-    --hash=sha256:b46ffafa316e6b83b47489d240ce17173f123a9b9c83282141c3daf26ad9ac2e
+platformdirs==4.3.6 \
+    --hash=sha256:357fb2acbc885b0419afd3ce3ed34564c13c9b95c89360cd9563f73aa5e2b907 \
+    --hash=sha256:73e575e1408ab8103900836b97580d5307456908a03e92031bab39e4554cc3fb
     # via virtualenv
 protobuf==3.20.3 \
     --hash=sha256:03038ac1cfbc41aa21f6afcbcd357281d7521b4157926f30ebecc8d4ea59dcb7 \
@@ -474,9 +474,9 @@ urllib3==1.26.19 \
     # via
     #   requests
     #   twine
-virtualenv==20.17.1 \
-    --hash=sha256:ce3b1684d6e1a20a3e5ed36795a97dfc6af29bc3970ca8dab93e11ac6094b3c4 \
-    --hash=sha256:f8b927684efc6f1cc206c9db297a570ab9ad0e51c16fa9e45487d36d1905c058
+virtualenv==20.26.6 \
+    --hash=sha256:280aede09a2a5c317e409a00102e7077c6432c5a38f0ef938e643805a7ad2c48 \
+    --hash=sha256:7345cc5b25405607a624d8418154577459c3e0277f5466dd79c49d5e492995f2
     # via nox
 webencodings==0.5.1 \
     --hash=sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78 \