diff --git a/README.md b/README.md
index 6afb1e6..8d1603d 100644
--- a/README.md
+++ b/README.md
@@ -9,14 +9,14 @@
 As a part of your [GitHub Actions](https://github.com/features/actions) workflow, add a new step as follows:
 
 ```yml
-name: Deploy
+name: Update
 on:
   push:
   schedule:
     - cron: "0 0 * * *" # Every day at midnight
 jobs:
   deploy:
-    name: Deploy
+    name: Update
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -50,10 +50,10 @@ The following input options are available:
 | `actor`         | The GitHub user to commit changes with <br />e.g. `gregbrimble`                                                                                                          | No        | Defaults to the current user (`{{ github.actor }}`)                                                                                                                       |
 | `repository`    | The workspace repository <br />e.g. `gregbrimble/tailwindui`                                                                                                             | No        | Defaults to the current repository (`{{ github.repository }}`). Should contain a `.env` file in the root.                                                                 |
 | `crawler`       | The repository of the crawler to use                                                                                                                                     | No        | Defaults to `kiliman/tailwindui-crawler`                                                                                                                                  |
+| `crawlerref`    | The ref (branch, tag or SHA) to checkout of the crawler repository                                                                                                       | No        | Defaults to `master`                                                                                                                                                      |
 
 Note: If using a separate private repository for the output, you must include a Personal Access Token in the `token` input, as the `{{ github.token }}` tokens are scoped to only the current repository.
 
 ## Roadmap
 
-- [] Specify crawler version
-- [] Create a PR against the output repository
+- [ ] Create a PR against the output repository
diff --git a/action.yml b/action.yml
index c286856..cae62a4 100644
--- a/action.yml
+++ b/action.yml
@@ -40,6 +40,10 @@ inputs:
     description: "The repository of the crawler (defaults to 'kiliman/tailwindui-crawler')"
     required: false
     default: "kiliman/tailwindui-crawler"
+  crawlerref:
+    description: "The ref (branch, tag or SHA) to checkout of the crawler"
+    required: false
+    default: "master"
 runs:
   using: "docker"
   image: "Dockerfile"
diff --git a/entrypoint.sh b/entrypoint.sh
index 404ca6b..fda1a53 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -3,13 +3,13 @@
 export WORKSPACE_REPOSITORY="$INPUT_REPOSITORY"
 export CRAWLER_REPOSITORY="$INPUT_CRAWLER"
 export OUTPUT_REPOSITORY="$INPUT_OUTPUT"
-export INPUT_REF="master"
 unset INPUT_REPOSITORY
 
 # Clone crawler
 echo "Cloning crawler..."
 mkdir /crawler
 
+export INPUT_REF="$INPUT_CRAWLERREF"
 export GITHUB_WORKSPACE="/crawler"
 export GITHUB_REPOSITORY="$CRAWLER_REPOSITORY"
 
@@ -24,6 +24,7 @@ npm install
 echo "Cloning workspace..."
 mkdir /workspace
 
+export INPUT_REF="master"
 export GITHUB_WORKSPACE="/workspace"
 export GITHUB_REPOSITORY="$WORKSPACE_REPOSITORY"
 
diff --git a/lib/actions/checkout/README.md b/lib/actions/checkout/README.md
index 6870626..def8653 100644
--- a/lib/actions/checkout/README.md
+++ b/lib/actions/checkout/README.md
@@ -1,3 +1,3 @@
 # Checkout Action
 
-Taken from [dist/](https://github.com/actions/checkout/blob/01aecccf739ca6ff86c0539fbc67a7a5007bbc81/dist).
+Taken from [dist/](https://github.com/actions/checkout/blob/01aecccf739ca6ff86c0539fbc67a7a5007bbc81/dist) and removed the `problem-matcher.json` matcher.