diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index 8133b17..32480a6 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: check valid sh
-        run: shellcheck tests/*.sh
+        run: shellcheck **/*.sh
 
       - uses: actions/setup-go@v4
 
@@ -24,9 +24,9 @@ jobs:
         run: ./tests/starter-site.sh
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.59.1
+          version: latest
 
       - name: Run tests
         run: go test -v ./... && git diff fixtures
diff --git a/README.md b/README.md
index 3c77073..8a6be4d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Generate an Open API spec based on your Islandora data model
 ```
 go-islandora generate node-structs \
   --node-cex-yaml=path/to/drupal/config/sync/node.type.islandora_object.yml \
-  --output=api.yml
+  --output=api.yaml
 
-go-islandora generate sheets-structs --output=workbench.yml
+go-islandora generate sheets-structs --output=workbench.yaml
 ```
diff --git a/cmd/sheetsStructs.go b/cmd/sheetsStructs.go
index 54ddedf..21c1aac 100644
--- a/cmd/sheetsStructs.go
+++ b/cmd/sheetsStructs.go
@@ -114,8 +114,9 @@ func sheetsFields() []CsvColumn {
 		"Catalog or ArchivesSpace URL":        "field_identifier.attr0=uri",
 		"Call Number":                         "field_identifier.attr0=call-number",
 		"Report Number (included only on ATLSS and Fritz Lab spreadsheet)": "field_identifier.attr0=report-number",
-		"Rights Statement": "field_rights",
-		"Access":           "field_access",
+		"Rights Statement":  "field_rights",
+		"Access":            "field_access",
+		"Supplemental File": "supplemental_file",
 	}
 	for column, field := range f {
 		fields = append(fields, CsvColumn{
diff --git a/workbench/workbench.gen.go b/workbench/workbench.gen.go
index 836c30c..6ba1fa7 100644
--- a/workbench/workbench.gen.go
+++ b/workbench/workbench.gen.go
@@ -66,6 +66,7 @@ type SheetsCsv struct {
 	SubjectGeographicLocal                                         *string `csv:"field_geographic_subject.vid=geographic_local" json:"Subject Geographic (Local),omitempty"`
 	SubjectNameLCNAF                                               *string `csv:"field_subjects_name" json:"Subject Name (LCNAF),omitempty"`
 	SubjectTopicLCSH                                               *string `csv:"field_subject_lcsh" json:"Subject Topic (LCSH),omitempty"`
+	SupplementalFile                                               *string `csv:"supplemental_file" json:"Supplemental File,omitempty"`
 	Title                                                          *string `csv:"title" json:"Title,omitempty"`
 	UploadID                                                       *string `csv:"id" json:"Upload ID,omitempty"`
 	VolumeNumber                                                   *string `csv:"field_part_detail.attr0=volume" json:"Volume Number,omitempty"`