diff --git a/internal/lsp/server.go b/internal/lsp/server.go
index 4edac704..4f16cb47 100644
--- a/internal/lsp/server.go
+++ b/internal/lsp/server.go
@@ -2469,6 +2469,18 @@ func (l *LanguageServer) handleInitialize(
 						Filters: []types.FileOperationFilter{regoFilter},
 					},
 				},
+				WorkspaceFolders: types.WorkspaceFoldersServerCapabilities{
+					// NOTE(anders): The language server protocol doesn't go into detail about what this is meant to
+					// entail, and there's nothing else in the request/response payloads that carry workspace folder
+					// information. The best source I've found on the this topic is this example repo from VS Code,
+					// where they have the client start one instance of the server per workspace folder:
+					// https://github.com/microsoft/vscode-extension-samples/tree/main/lsp-multi-server-sample
+					// That seems like a reasonable approach to take, and means we won't have to deal with workspace
+					// folders throughout the rest of the codebase. But the question then is — what is the point of
+					// this capability, and what does it mean to say we support it? Clearly we don't in the server as
+					// *there is no way* to support it here.
+					Supported: true,
+				},
 			},
 			InlayHintProvider: types.InlayHintOptions{
 				ResolveProvider: false,
diff --git a/internal/lsp/types/types.go b/internal/lsp/types/types.go
index e127bd29..02f4b320 100644
--- a/internal/lsp/types/types.go
+++ b/internal/lsp/types/types.go
@@ -40,7 +40,7 @@ type InitializeParams struct {
 	RootPath              string                 `json:"rootPath"`
 	RootURI               string                 `json:"rootUri"`
 	Trace                 string                 `json:"trace"`
-	WorkspaceFolders      []WorkspaceFolder      `json:"workspaceFolders"`
+	WorkspaceFolders      *[]WorkspaceFolder     `json:"workspaceFolders"`
 	Capabilities          ClientCapabilities     `json:"capabilities"`
 	ProcessID             int                    `json:"processId"`
 }
@@ -175,8 +175,13 @@ type CompletionItemLabelDetails struct {
 	Detail      string `json:"detail"`
 }
 
+type WorkspaceFoldersServerCapabilities struct {
+	Supported bool `json:"supported"`
+}
+
 type WorkspaceOptions struct {
-	FileOperations FileOperationsServerCapabilities `json:"fileOperations"`
+	FileOperations   FileOperationsServerCapabilities   `json:"fileOperations"`
+	WorkspaceFolders WorkspaceFoldersServerCapabilities `json:"workspaceFolders"`
 }
 
 type CodeActionOptions struct {