diff --git a/crates/lsp/src/lsp.rs b/crates/lsp/src/lsp.rs
index d5a87f1aff180e6f7ef51fab371566f97791451a..b2c658dbd6ff38fdce25a8724786a9875aae1d27 100644
--- a/crates/lsp/src/lsp.rs
+++ b/crates/lsp/src/lsp.rs
@@ -232,6 +232,15 @@ impl LanguageServer {
                         link_support: Some(true),
                         ..Default::default()
                     }),
+                    completion: Some(CompletionClientCapabilities {
+                        completion_item: Some(CompletionItemCapability {
+                            resolve_support: Some(CompletionItemCapabilityResolveSupport {
+                                properties: vec!["additionalTextEdits".to_string()],
+                            }),
+                            ..Default::default()
+                        }),
+                        ..Default::default()
+                    }),
                     ..Default::default()
                 }),
                 experimental: Some(json!({