diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index be7c659..282baf7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,10 +7,14 @@ on:
   pull_request:
   schedule:
     - cron: '0 12 * * 0'  # run once a week on Sunday
+  # Allow to run this workflow manually from the Actions tab
+  workflow_dispatch:
 
 jobs:
   build:
     strategy:
+      # We want to see all failures:
+      fail-fast: false
       matrix:
         config:
         # [Python version, tox env]
diff --git a/.meta.toml b/.meta.toml
index 8aa7f8b..6bbb106 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/pure-python
 [meta]
 template = "pure-python"
-commit-id = "ff37be82c6e4d7c4f0f96f4937f2d14d1aadae67"
+commit-id = "d4e8550e4a37df10866d376fceac4e91689df8c5"
 
 [python]
 with-appveyor = false
@@ -16,3 +16,8 @@ use-flake8 = true
 
 [coverage]
 fail-under = 100
+
+[manifest]
+additional-rules = [
+    "recursive-include src *.zcml",
+    ]
diff --git a/MANIFEST.in b/MANIFEST.in
index b7d1b5d..a4e0de3 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,9 +1,9 @@
 # Generated from:
 # https://github.com/zopefoundation/meta/tree/master/config/pure-python
 include *.rst
+include *.txt
 include buildout.cfg
 include tox.ini
 
 recursive-include src *.py
-recursive-include src *.txt
 recursive-include src *.zcml