diff --git a/tools/publish/requirements_darwin.txt b/tools/publish/requirements_darwin.txt
index cb35e69..1203ba2 100644
--- a/tools/publish/requirements_darwin.txt
+++ b/tools/publish/requirements_darwin.txt
@@ -176,9 +176,9 @@
     --hash=sha256:929bc3c280033347a00f847236564d1c52a3e61b1ac2516c97c48f3ceab756d8 \
     --hash=sha256:9e102ef5fdd5a20661eb88fad46338806c3bd32cf1db729603fe3697b1bc83c8
     # via -r tools/publish/requirements.in
-urllib3==1.26.14 \
-    --hash=sha256:076907bf8fd355cde77728471316625a4d2f7e713c125f51953bb5b3eecf4f72 \
-    --hash=sha256:75edcdc2f7d85b137124a6c3c9fc3933cdeaa12ecb9a6a959f22797a0feca7e1
+urllib3==1.26.18 \
+    --hash=sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07 \
+    --hash=sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0
     # via
     #   requests
     #   twine
diff --git a/tools/publish/requirements_windows.txt b/tools/publish/requirements_windows.txt
index cd175c6..25d7776 100644
--- a/tools/publish/requirements_windows.txt
+++ b/tools/publish/requirements_windows.txt
@@ -180,9 +180,9 @@
     --hash=sha256:929bc3c280033347a00f847236564d1c52a3e61b1ac2516c97c48f3ceab756d8 \
     --hash=sha256:9e102ef5fdd5a20661eb88fad46338806c3bd32cf1db729603fe3697b1bc83c8
     # via -r tools/publish/requirements.in
-urllib3==1.26.14 \
-    --hash=sha256:076907bf8fd355cde77728471316625a4d2f7e713c125f51953bb5b3eecf4f72 \
-    --hash=sha256:75edcdc2f7d85b137124a6c3c9fc3933cdeaa12ecb9a6a959f22797a0feca7e1
+urllib3==1.26.18 \
+    --hash=sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07 \
+    --hash=sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0
     # via
     #   requests
     #   twine