diff --git a/.github/workflows/dispatch-ci.yml b/.github/workflows/dispatch-ci.yml
index f7e07b8..d80b5c8 100644
--- a/.github/workflows/dispatch-ci.yml
+++ b/.github/workflows/dispatch-ci.yml
@@ -1,9 +1,9 @@
 name: Dispatch CI
 
 on:
-  # At 1:20 PM UTC, only on Wednesday and Thursday
+  # At 11:55 PM UTC, only on Wednesday and Thursday
   schedule:
-    - cron: '20 13 * * 3,4'
+    - cron: '55 23 * * 3,4'
 
 jobs:
   dispatch-ci:
diff --git a/.github/workflows/keepalive.yml b/.github/workflows/keepalive.yml
index abc742b..4249a4c 100644
--- a/.github/workflows/keepalive.yml
+++ b/.github/workflows/keepalive.yml
@@ -1,9 +1,9 @@
 name: Keepalive
 
 on:
-  # At 6:30 PM UTC, on day 23 of the month
+  # At 11:55 PM UTC, on day 4 of the month
   schedule:
-    - cron: '30 18 23 * *'
+    - cron: '55 23 4 * *'
   workflow_dispatch:
 
 jobs:
diff --git a/composer.json b/composer.json
index d3d793e..eb18e45 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,9 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "squizlabs/php_codesniffer": "^3"
+        "squizlabs/php_codesniffer": "^3",
+        "silverstripe/standards": "^1",
+        "phpstan/extension-installer": "^1.3"
     },
     "extra": [],
     "autoload": {
diff --git a/contributing.md b/contributing.md
deleted file mode 100644
index 32334e2..0000000
--- a/contributing.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Contributing
-
-Contributions are welcome! Create an issue, explaining a bug or proposal. Submit pull requests if you feel brave. Speak to me on [Twitter](https://twitter.com/assertchris).
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
new file mode 100644
index 0000000..beb9de3
--- /dev/null
+++ b/phpstan.neon.dist
@@ -0,0 +1,3 @@
+parameters:
+  paths:
+    - src