diff --git a/.meta.toml b/.meta.toml
index fd0b9ad..962249f 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "b21fbbf2"
+commit-id = "8918606b"
 
 [python]
 with-appveyor = true
@@ -15,6 +15,9 @@ with-macos = false
 
 [tox]
 use-flake8 = true
+testenv-deps = [
+    "py37: urllib3 < 2",
+    ]
 
 [coverage]
 fail-under = 100
diff --git a/CHANGES.rst b/CHANGES.rst
index da4b8e4..c48167c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -7,7 +7,7 @@
 
 - Drop support for Python 2.7, 3.5, 3.6.
 
-- Add preliminary support for Python 3.12 as of 3.12b4.
+- Add preliminary support for Python 3.12 as of 3.12rc3.
 
 
 5.4 (2022-11-17)
diff --git a/tox.ini b/tox.ini
index 06a32f3..8ea308e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ envlist =
 usedevelop = true
 pip_pre = py312: true
 deps =
+    py37: urllib3 < 2
     Sphinx
 setenv =
     pure: PURE_PYTHON=1
@@ -37,6 +38,7 @@ allowlist_externals =
     mkdir
 deps =
     coverage
+    py37: urllib3 < 2
 setenv =
     PURE_PYTHON=1
 commands =