diff --git a/examples/requirements.txt b/examples/requirements.txt
index bb4fb70..be0fcc4 100644
--- a/examples/requirements.txt
+++ b/examples/requirements.txt
@@ -257,7 +257,7 @@ rsa==4.9 \
     --hash=sha256:90260d9058e514786967344d0ef75fa8727eed8a7d2e43ce9f4bcf1b536174f7 \
     --hash=sha256:e38464a49c6c85d7f1351b0126661487a7e0a14a50f1675ec50eb34d4f20ef21
     # via google-auth
-urllib3==2.0.7 \
-    --hash=sha256:c97dfde1f7bd43a71c8d2a58e369e9b2bf692d1334ea9f9cae55add7d0dd0f84 \
-    --hash=sha256:fdb6d215c776278489906c2f8916e6e7d4f5a9b602ccbcfdf7f016fc8da0596e
+urllib3==2.5.0 \
+    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
+    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
     # via requests
diff --git a/kokoro/release_requirements.txt b/kokoro/release_requirements.txt
index c5a8a5b..6ca7020 100644
--- a/kokoro/release_requirements.txt
+++ b/kokoro/release_requirements.txt
@@ -329,9 +329,9 @@ twine==6.1.0 \
     --hash=sha256:a47f973caf122930bf0fbbf17f80b83bc1602c9ce393c7845f289a3001dc5384 \
     --hash=sha256:be324f6272eff91d07ee93f251edf232fc647935dd585ac003539b42404a8dbd
     # via -r kokoro/release_requirements.in
-urllib3==2.4.0 \
-    --hash=sha256:414bc6535b787febd7567804cc015fee39daab8ad86268f1310a9250697de466 \
-    --hash=sha256:4e16665048960a0900c702d4a66415956a584919c03361cac9f1df5c5dd7e813
+urllib3==2.5.0 \
+    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
+    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
     # via
     #   requests
     #   twine