diff --git a/docs/requirements.txt b/docs/requirements.txt
index 334e78215..813442a49 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 # Fix an issue with the OCIO's Linux container images that have OpenSSL under 1.1.1.
 # If the container images are updated with OpenSSL 1.1.1+, the restriction on
 # urllib3 version <2 can be removed.
-urllib3<2
+urllib3<3
 # The builds for documentation fails with <0.18.0
 docutils>=0.18.1
 sphinx<=7.1.2
diff --git a/pyproject.toml b/pyproject.toml
index 23631c12b..92bb0cf0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ requires = [
     "cmake>=3.14",
     "ninja; sys_platform != 'win32' and platform_machine != 'arm64'",
     # Documentation requirements (see docs/requirements.txt for details)
-    "urllib3<2",
+    "urllib3<3",
     "docutils>=0.18.1",
     "sphinx<=7.1.2",
     "six",