diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
new file mode 100644
index 0000000..164a26c
--- /dev/null
+++ b/.github/workflows/shellcheck.yml
@@ -0,0 +1,21 @@
+name: 'ShellCheck'
+
+on:
+  pull_request:
+    paths:
+      - '**.sh'
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    env:
+      SHELLCHECK_OPTS: -s bash
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Run ShellCheck
+        uses: ludeeus/action-shellcheck@94e0aab03ca135d11a35e5bfc14e6746dc56e7e9
+        with:
+          version: v0.8.0
+          format: tty
diff --git a/Gemfile b/Gemfile
index 944d7b7..9365f9c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ source "https://rubygems.org"
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Manage our dependency on the version of the github-pages gem here.
-gem "github-pages", "= 222"
+gem "github-pages", "= 223"
 
 # Explicitly include this gem here.
 # It is not directly included in the github-pages gem list of dependencies,
diff --git a/action.yml b/action.yml
index 422d451..179607e 100644
--- a/action.yml
+++ b/action.yml
@@ -1,4 +1,5 @@
-# 2f9877141f775a9030dcf59ab535e186
+# Generated from action.yml.erb
+# cc3ed5559aaeabbc7ccc9899f91995ca
 name: 'Pages Jekyll'
 description: 'A simple GitHub Action for producing Jekyll build artifacts compatible with GitHub Pages'
 inputs:
@@ -10,10 +11,14 @@ inputs:
     description: 'Output directory of the build. Although it can be nested inside the source, it cannot be the same as the source directory.'
     required: false
     default: ./_site
+  future:
+    description: 'Publishes posts with a future date.'
+    required: false
+    default: true
   verbose:
     description: 'Verbose output'
     required: false
-    default: '1'
+    default: true
   token:
     description: 'GitHub token'
     required: true
@@ -21,4 +26,3 @@ inputs:
 runs:
   using: 'docker'
   image: 'docker://ghcr.io/actions/jekyll-build-pages:main'
-
diff --git a/action.yml.erb b/action.yml.erb
index 6ae7b8c..916be04 100644
--- a/action.yml.erb
+++ b/action.yml.erb
@@ -1,3 +1,4 @@
+# Generated from action.yml.erb
 # <%= nonce %>
 name: 'Pages Jekyll'
 description: 'A simple GitHub Action for producing Jekyll build artifacts compatible with GitHub Pages'
@@ -10,10 +11,14 @@ inputs:
     description: 'Output directory of the build. Although it can be nested inside the source, it cannot be the same as the source directory.'
     required: false
     default: ./_site
+  future:
+    description: 'Publishes posts with a future date.'
+    required: false
+    default: true
   verbose:
     description: 'Verbose output'
     required: false
-    default: '1'
+    default: true
   token:
     description: 'GitHub token'
     required: true
@@ -21,4 +26,3 @@ inputs:
 runs:
   using: 'docker'
   image: '<%= pages_action_url %>'
-
diff --git a/entrypoint.sh b/entrypoint.sh
index c78abac..2de362a 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -18,12 +18,19 @@ export JEKYLL_ENV="production"
 export JEKYLL_GITHUB_TOKEN=$INPUT_TOKEN
 export PAGES_REPO_NWO=$GITHUB_REPOSITORY
 
-if [ -z $INPUT_VERBOSE ]; then
-  VERBOSE=''
-else
+# Set verbose flag
+if [ "$INPUT_VERBOSE" = 'true' ]; then
   VERBOSE='--verbose'
+else
+  VERBOSE=''
 fi
 
-cd $PAGES_GEM_HOME
+# Set future flag
+if [ "$INPUT_FUTURE" = 'true' ]; then
+  FUTURE='--future'
+else
+  FUTURE=''
+fi
 
-$GITHUB_PAGES build $VERBOSE --source $SOURCE_DIRECTORY --destination $DESTINATION_DIRECTORY
+cd "$PAGES_GEM_HOME"
+$GITHUB_PAGES build "$VERBOSE" "$FUTURE" --source "$SOURCE_DIRECTORY" --destination "$DESTINATION_DIRECTORY"