diff --git a/actions/bump-version/README.md b/actions/bump-version/README.md
index ad02378..761cf38 100644
--- a/actions/bump-version/README.md
+++ b/actions/bump-version/README.md
@@ -4,9 +4,10 @@ This action bumps package versions based on the repository's commit messages wri
 
 ## Action inputs
 
-| Input        | Description                                                                         | Default |
-| ------------ | ----------------------------------------------------------------------------------- | ------- |
-| `prerelease` | Optional prerelease identifier, supported values include `alpha`, `beta`, and `rc`. | `''`    |
+| Input                | Description                                                                         | Default |
+| -------------------- | ----------------------------------------------------------------------------------- | ------- |
+| `prerelease`         | Optional prerelease identifier, supported values include `alpha`, `beta`, and `rc`. | `''`    |
+| `major_version_zero` | Set to true to keep the major version at zero, even for breaking changes.           | `false` |
 
 ## Action outputs
 
diff --git a/actions/bump-version/action.yaml b/actions/bump-version/action.yaml
index 802c369..142f7ff 100644
--- a/actions/bump-version/action.yaml
+++ b/actions/bump-version/action.yaml
@@ -6,6 +6,10 @@ inputs:
     description: 'Optional prerelease identifier (e.g., alpha, beta, rc).'
     required: false
     default: ''
+  major_version_zero:
+    description: 'Set to true to keep the major version at zero, even for breaking changes.'
+    required: false
+    default: false
 
 outputs:
   version:
@@ -25,6 +29,10 @@ runs:
           cmd="$cmd --prerelease ${{ inputs.prerelease }}"
         fi
 
+        if [ -n "${{ inputs.major_version_zero }}" ]; then
+          cmd="$cmd --major-version-zero"
+        fi
+
         version=$($cmd)
         echo "version=$version" >> "$GITHUB_OUTPUT"
 
@@ -37,4 +45,8 @@ runs:
           cmd="$cmd --prerelease ${{ inputs.prerelease }}"
         fi
 
+        if [ -n "${{ inputs.major_version_zero }}" ]; then
+          cmd="$cmd --major-version-zero"
+        fi
+
         $cmd