diff --git a/README.md b/README.md
index aa37f81..277298c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Upload or download the assets of a release to a Forgejo instance.
 | `sha` | <p>SHA of the release</p> | `false` | `${{ forge.sha }}` |
 | `token` | <p>Forgejo application token (must have <code>write:repository</code>)</p> | `false` | `${{ forge.token }}` |
 | `release-dir` | <p>Directory in which release assets are uploaded or downloaded</p> | `false` | `dist/release` |
+| `release-files` | <p>Path to one or multiple release asset files to be uploaded (can be used alongside <code>release-dir</code>)</p> | `false` | `""` |
 | `release-notes` | <p>Release notes</p> | `false` | `""` |
 | `release-notes-file` | <p>Path to a file containing your release notes (takes priority over <code>release-notes</code>)</p> | `false` | `""` |
 | `direction` | <p>Can either be <code>download</code> or <code>upload</code></p> | `true` | `""` |
diff --git a/action.yml b/action.yml
index c9a8f42..27e8a23 100644
--- a/action.yml
+++ b/action.yml
@@ -24,6 +24,8 @@ inputs:
   release-dir:
     description: 'Directory in which release assets are uploaded or downloaded'
     default: 'dist/release'
+  release-files:
+    description: 'Path to one or multiple release asset files to be uploaded (can be used alongside `release-dir`)'
   release-notes:
     description: 'Release notes'
   release-notes-file:
@@ -96,6 +98,7 @@ runs:
         export TOKEN=${{ inputs.token }}
 
         export RELEASE_DIR="${{ inputs.release-dir }}"
+        export RELEASE_FILES=(${{ inputs.release-files }})
 
         export RELEASENOTES=$(cat << 'EOF'
         ${{ inputs.release-notes }}
diff --git a/forgejo-release.sh b/forgejo-release.sh
index 7e25ecd..d5e5769 100755
--- a/forgejo-release.sh
+++ b/forgejo-release.sh
@@ -91,10 +91,17 @@ upload_release() {
     fi
     if [ "$SKIP_ASSETS" == 'false' ]; then
         release_id=$(jq --raw-output .id <"$TMP_DIR"/release.json)
-        for file in "$RELEASE_DIR"/*; do
+        for file in "$RELEASE_DIR"/* "$RELEASE_FILES"; do
             # https://dev.to/pkutaj/how-to-use-jq-for-uri-encoding-2o5
             # https://unix.stackexchange.com/questions/94295/shellcheck-is-advising-not-to-use-basename-why/94307#94307
             # url encode some chars
+            if [ ! "$file" ]; then
+                continue
+            fi
+            if [[ ! -e "$file" ]]; then
+                echo "$file: No such file or directory"
+                exit 1
+            fi
             asset_name="$(echo -n "${file##*/}" | jq -sRr @uri)"
             if ! api POST "repos/$REPO/releases/$release_id/assets?name=$asset_name" -H "Content-Type: multipart/form-data" -F "attachment=@$file" >"$TMP_DIR/release-$asset_name.json"; then
                 if ${VERBOSE:-false}; then
diff --git a/testdata/upload-download/.forgejo/workflows/test.yml b/testdata/upload-download/.forgejo/workflows/test.yml
index 518e019..aa70e47 100644
--- a/testdata/upload-download/.forgejo/workflows/test.yml
+++ b/testdata/upload-download/.forgejo/workflows/test.yml
@@ -122,5 +122,30 @@ jobs:
             exit 1
           fi
 
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        id: release-upload-files
+        uses: SELF@vTest
+        with:
+          direction: upload
+          tag: v/3.0-release-file
+          token: FORGEJO_TEST_TOKEN
+          release-files: |
+            upload-dir-v3/file1-v3.txt
+            upload-dir-v3/file2-v3.txt
+          release-notes: "RELEASE NOTES"
+          verbose: true
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        id: release-download-with-slash-in-tag
+        uses: SELF@vTest
+        with:
+          direction: download
+          tag: v/3.0
+          token: FORGEJO_TEST_TOKEN
+          release-dir: download-dir-v3-files
+          verbose: true
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        run: |
+          diff -u upload-dir-v3 download-dir-v3
+
       - if: failure()
         run: docker logs forgejo