diff --git a/reverb/pip_package/requirements_lock_3_10.txt b/reverb/pip_package/requirements_lock_3_10.txt
index 73c7a632..d36eaa87 100644
--- a/reverb/pip_package/requirements_lock_3_10.txt
+++ b/reverb/pip_package/requirements_lock_3_10.txt
@@ -859,9 +859,9 @@ typing-extensions==4.15.0 \
     #   grpcio
     #   optree
     #   tf-nightly
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via requests
 werkzeug==3.1.3 \
     --hash=sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e \
diff --git a/reverb/pip_package/requirements_lock_3_11.txt b/reverb/pip_package/requirements_lock_3_11.txt
index 12aca097..d5da6343 100644
--- a/reverb/pip_package/requirements_lock_3_11.txt
+++ b/reverb/pip_package/requirements_lock_3_11.txt
@@ -810,9 +810,9 @@ typing-extensions==4.15.0 \
     # via
     #   optree
     #   tf-nightly
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via requests
 werkzeug==3.1.3 \
     --hash=sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e \
diff --git a/reverb/pip_package/requirements_lock_3_12.txt b/reverb/pip_package/requirements_lock_3_12.txt
index 192106e6..1adf104e 100644
--- a/reverb/pip_package/requirements_lock_3_12.txt
+++ b/reverb/pip_package/requirements_lock_3_12.txt
@@ -810,9 +810,9 @@ typing-extensions==4.15.0 \
     # via
     #   optree
     #   tf-nightly
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via requests
 werkzeug==3.1.3 \
     --hash=sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e \
diff --git a/reverb/pip_package/requirements_lock_3_13.txt b/reverb/pip_package/requirements_lock_3_13.txt
index b7f76ce5..479c5158 100644
--- a/reverb/pip_package/requirements_lock_3_13.txt
+++ b/reverb/pip_package/requirements_lock_3_13.txt
@@ -834,9 +834,9 @@ typing-extensions==4.15.0 \
     #   grpcio
     #   optree
     #   tf-nightly
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via requests
 werkzeug==3.1.3 \
     --hash=sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e \
diff --git a/reverb/pip_package/requirements_lock_3_9.txt b/reverb/pip_package/requirements_lock_3_9.txt
index 7fd16612..7bb4cac1 100644
--- a/reverb/pip_package/requirements_lock_3_9.txt
+++ b/reverb/pip_package/requirements_lock_3_9.txt
@@ -885,9 +885,9 @@ typing-extensions==4.15.0 \
     #   grpcio
     #   optree
     #   tf-nightly
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via requests
 werkzeug==3.1.3 \
     --hash=sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e \