diff --git a/README.md b/README.md
index bdd3bcd6..185d375f 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ Using the default separator.
 | unmerged_files      |  `string`    |    'new.txt other.png ...'     |  Select only files that are Unmerged (U) |
 | unknown_files       |  `string`    |    'new.txt other.png ...'     |  Select only files that are Unknown (X)  |
 | all_changed_files   |  `string`    |    'new.txt other.png ...'     |  Select all paths (*) <br /> *i.e a combination of all options above.*  |
+| all_modified_files   |  `string`    |    'new.txt other.png ...'     |  Select all modified files (*) <br /> *i.e a combination of all added, <br />copied and modified files (ACM).*  |
 
 
 ## Example
diff --git a/action.yml b/action.yml
index 5c75aac0..1e25f448 100644
--- a/action.yml
+++ b/action.yml
@@ -35,6 +35,9 @@ outputs:
   all_changed_files:
     description: List of all changed files.
     value: ${{ steps.changed-files.outputs.all_changed_files }}
+  all_modified_files:
+    description: List of all changed modified and added files
+    value: ${{ steps.changed-files.outputs.all_modified_files }}
 
 runs:
   using: 'composite'
@@ -64,6 +67,7 @@ runs:
         UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
         UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
         ALL_CHANGED=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+        ALL_MODIFIED_FILES=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
 
         echo "Getting diff..."
         echo "::set-output name=added_files::$ADDED"
@@ -75,6 +79,7 @@ runs:
         echo "::set-output name=unmerged_files::$UNMERGED"
         echo "::set-output name=unknown_files::$UNKNOWN"
         echo "::set-output name=all_changed_files::$ALL_CHANGED"
+        echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
       shell: bash
 
 branding: