diff --git a/LICENSE b/LICENSE
index 49d29e7..4e95194 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,8 @@
 MIT License
 
 Copyright (c) 2024 Tweag I/O Limited.
+Copyright (c) 2022 James W. Curtin and Contributors
+Copyright (c) 2018 Łukasz Langa
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 8205e92..a9dc595 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Simple usage:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: tweag/FawltyDeps-action@v0.0.3
+      - uses: tweag/FawltyDeps-action@v0.1.0
 
 More advanced example with customized command line options:
 
@@ -56,13 +56,15 @@ More advanced example with customized command line options:
       - name: checkout
         uses: actions/checkout@v4
       - name: fawltydeps lint
-        uses: tweag/FawltyDeps-action@v0.0.3
+        uses: tweag/FawltyDeps-action@v0.1.0
         with:
           options: --list-sources --list-imports --list-deps --detailed
 
+Invoking FawltyDeps Using `options: --detailed` yields good results when you just want to see what problems may be present.
+
 ## Documentation
 
-This action was inspired by the [black]() and [isort-action]() GitHub actions. It currently uses the Docker method of executing actions.
+This action was inspired by and partially derived from the MIT-licensed [black](https://black.readthedocs.io/en/stable/integrations/github_actions.html) and [isort-action](https://github.com/isort/isort-action) GitHub actions.
 
 ## Development
 
diff --git a/action.yml b/action.yml
index 798a131..c546307 100644
--- a/action.yml
+++ b/action.yml
@@ -1,19 +1,48 @@
 name: 'FawltyDeps'
 description: 'Check a Python project for _undeclared_ and _unused_ 3rd party dependencies'
-# Inspired by and adapted from https://github.com/psf/black/blob/main/action.yml
+  # Inspired by and adapted from:
+  # https://github.com/psf/black/blob/main/action.yml
+  # https://github.com/isort/isort-action
 inputs:
   options:
     description: "Options passed to fawltydeps. Use `fawltydeps --help` to see available options. Default:
       ''"
     required: false
     default: ""
+  fawltydeps-version:
+    description: Version of fawltydeps to use
+    required: false
+    default: null
+  requirements-files:
+    description: >
+      path(s) to requirements files that should be installed to properly
+      configure third-party imports
+    required: false
+  paths:
+    description: >
+      files or directories to scan for dependency issues
+    required: false
+    default: null
 branding:
   color: "purple"
   icon: "check-circle"
+outputs:
+  fawltydeps-result:
+    description: fawltydeps result
+    value: ${{ steps.run-fawltydeps.outputs.fawltydeps-output }}
 runs:
-  using: 'docker'
-  image: 'Dockerfile'
-  args:
-      - fawltydeps
-      - ${{ inputs.options }}
-
+  using: composite
+  steps:
+    - run: $GITHUB_ACTION_PATH/bin/ensure_python
+      shell: bash
+    - run: >
+        $GITHUB_ACTION_PATH/bin/install_packages
+        ${{ inputs.fawltydeps-version }}
+        ${{ inputs.requirements-files || inputs.requirementsFiles }}
+      shell: bash
+    - id: run-fawltydeps
+      run: >
+        $GITHUB_ACTION_PATH/bin/run_fawltydeps
+        ${{ inputs.options }}
+        ${{ inputs.paths }}
+      shell: bash
diff --git a/bin/ensure_python b/bin/ensure_python
new file mode 100755
index 0000000..f57215e
--- /dev/null
+++ b/bin/ensure_python
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# If Python 3 isn't installed, exit
+python3 -V > /dev/null 2>&1 || (echo "python3 is not available. Use the setup-python action" && exit 1)
+
+# Make sure we're using a supported version of Python
+major_version=$(python3 -c 'import sys; print(sys.version_info[0])')
+minor_version=$(python3 -c 'import sys; print(sys.version_info[1])')
+if [ "$major_version" -lt 3 ] || [ "$minor_version" -lt 6 ]; then
+    echo "Minimum supported version of python is 3.6, but $(python3 -V) is installed"
+    exit 1
+fi
diff --git a/bin/install_packages b/bin/install_packages
new file mode 100755
index 0000000..274994f
--- /dev/null
+++ b/bin/install_packages
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+fawltydeps_version=$1
+requirements_files=$2
+
+echo "::group::Install fawltydeps"
+if [ -z "$fawltydeps_version" ] || [ "$fawltydeps_version" == "latest" ]; then
+    echo "Installing latest version of fawltydeps"
+    python3 -m pip install "fawltydeps"
+else
+    echo "Installing fawltydeps==$fawltydeps_version"
+    python3 -m pip install "fawltydeps==$fawltydeps_version"
+fi
+echo "::endgroup::"
+
+if [ -n "$requirements_files" ]; then
+    echo "::group::Install modules from requirements arg"
+    for file in $requirements_files; do
+        python3 -m pip install -r "$file"
+    done
+    echo "::endgroup::"
+fi
diff --git a/bin/run_fawltydeps b/bin/run_fawltydeps
new file mode 100755
index 0000000..10a48ee
--- /dev/null
+++ b/bin/run_fawltydeps
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+echo "Running fawltydeps $*"
+fawltydeps_result=$(fawltydeps "$@")
+exit_code=$?
+
+# The fawltydeps output can be a multiline string. By default, GITHUB_OUTPUT expects
+# output to be on a single line, so a (random) delimiter needs to be used
+# so that the output is parsed properly.
+# See https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings
+DELIMITER=$(echo $RANDOM | md5sum | head -c 20)
+{
+    echo "fawltydeps-output<<$DELIMITER"
+    echo "$fawltydeps_result"
+    echo "$DELIMITER"
+} >> "$GITHUB_OUTPUT"
+
+{
+    if [[ "$exit_code" -eq 0 ]]; then
+        echo "OK: 'fawltydeps $*' :rocket:"
+    else
+        echo "Error: 'fawltydeps $*' found issues:"
+    fi
+    if [[ -n "${fawltydeps_result}" ]]; then 
+        # shellcheck disable=SC2006
+        cat <<EOF
+\`\`\`
+${fawltydeps_result}
+\`\`\`
+EOF
+    fi
+} >> "$GITHUB_STEP_SUMMARY"
+exit $exit_code