diff --git a/action.yml b/action.yml
index c377a7e..9d6d801 100644
--- a/action.yml
+++ b/action.yml
@@ -13,6 +13,9 @@ inputs:
     description: Source file path.
   DESTINATION:
     description: Destination path, relative to repository root.
+  ARTIFACT_NAME:
+    description: Name for build artifact. Required when building multiple documents in same job.
+    default: "spec-prod-result"
   BUILD_FAIL_ON:
     description: Exit behaviour on errors.
     default: fatal
@@ -123,7 +126,7 @@ runs:
         path: |-
           ${{ steps.build.outputs.gh && fromJson(steps.build.outputs.gh).dest }}
           ${{ steps.build.outputs.w3c && fromJson(steps.build.outputs.w3c).dest }}
-        name: spec-prod-result
+        name: ${{ inputs.ARTIFACT_NAME }}
         retention-days: 5
 
     - name: Validate hyperlinks
diff --git a/docs/examples.md b/docs/examples.md
index 98f4cb0..a8e8845 100644
--- a/docs/examples.md
+++ b/docs/examples.md
@@ -184,19 +184,23 @@ jobs:
       max-parallel: 1
       matrix:
         include:
-          - source: spec.html
+          - name: spec-0
+            source: spec.html
             destination: index.html
             echidna_token: ECHIDNA_TOKEN_SPEC
-          - source: spec-1
+          - name: spec-1
+            source: spec-1
             destination: the-spec
             echidna_token: ECHIDNA_TOKEN_SPEC1
-          - source: spec-2
+          - name: spec-2
+            source: spec-2
             # destination defaults to spec-2/index.html
             # echidna_token defaults to no publication to w3.org/TR
     steps:
       - uses: actions/checkout@v4
       - uses: w3c/spec-prod@v2
         with:
+          ARTIFACT_NAME: ${{ matrix.name }} # required when building multiple documents in same job
           SOURCE: ${{ matrix.source }}
           DESTINATION: ${{ matrix.destination }}
           GH_PAGES_BRANCH: gh-pages
diff --git a/docs/options.md b/docs/options.md
index 9459196..8b59e4a 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -32,6 +32,14 @@ Location of generated HTML document and other assets. This is useful when you've
 | `my-spec-src`     | `my-spec-out` | `./my-spec-out/index.html` | `./my-spec-out/`           |
 | `index.html`      | `index.html`  | `./index.html`             | `./`                       |
 
+## `ARTIFACT_NAME`
+
+Name for artifact which will be uploaded to workflow run. Required when building multiple documents in same job.
+
+**Possible values:** Any valid artifact name.
+
+**Default:** `"spec-prod-result"`.
+
 ## `BUILD_FAIL_ON`
 
 Define exit behaviour on build errors or warnings.