diff --git a/internal/lsp/cache/view.go b/internal/lsp/cache/view.go
index a6a02bfb4f..b2648157cf 100644
--- a/internal/lsp/cache/view.go
+++ b/internal/lsp/cache/view.go
@@ -247,6 +247,8 @@ func (v *View) FileKind(fh source.FileHandle) source.FileKind {
 		return source.Mod
 	case ".sum":
 		return source.Sum
+	case ".work":
+		return source.Work
 	}
 	exts := v.Options().TemplateExtensions
 	for _, ext := range exts {
diff --git a/internal/lsp/source/util.go b/internal/lsp/source/util.go
index 56974f22d1..a8fb592255 100644
--- a/internal/lsp/source/util.go
+++ b/internal/lsp/source/util.go
@@ -173,6 +173,8 @@ func FileKindForLang(langID string) FileKind {
 		return Sum
 	case "tmpl", "gotmpl":
 		return Tmpl
+	case "go.work":
+		return Work
 	default:
 		return UnknownKind
 	}
@@ -188,6 +190,8 @@ func (k FileKind) String() string {
 		return "go.sum"
 	case Tmpl:
 		return "tmpl"
+	case Work:
+		return "go.work"
 	default:
 		return fmt.Sprintf("unk%d", k)
 	}
diff --git a/internal/lsp/source/view.go b/internal/lsp/source/view.go
index d7f4db1a71..08477e1e34 100644
--- a/internal/lsp/source/view.go
+++ b/internal/lsp/source/view.go
@@ -534,6 +534,8 @@ const (
 	Sum
 	// Tmpl is a template file.
 	Tmpl
+	// Work is a go.work file.
+	Work
 )
 
 // Analyzer represents a go/analysis analyzer with some boolean properties