diff --git a/cli/lsp/diagnostics.rs b/cli/lsp/diagnostics.rs
index 47b26d92ea..33705dbff0 100644
--- a/cli/lsp/diagnostics.rs
+++ b/cli/lsp/diagnostics.rs
@@ -11,6 +11,7 @@ use crate::tokio_util::create_basic_runtime;
 use deno_core::error::anyhow;
 use deno_core::error::AnyError;
 use deno_core::resolve_url;
+use deno_core::serde_json::json;
 use deno_core::ModuleSpecifier;
 use log::error;
 use lspower::lsp;
@@ -446,6 +447,7 @@ async fn generate_deps_diagnostics(
                       code,
                       source: Some("deno".to_string()),
                       message,
+                      data: Some(json!({ "specifier": specifier })),
                       ..Default::default()
                     });
                   } else if sources.contains_key(&specifier) {
diff --git a/cli/tests/integration_tests_lsp.rs b/cli/tests/integration_tests_lsp.rs
index d08da622f5..ad41afadaf 100644
--- a/cli/tests/integration_tests_lsp.rs
+++ b/cli/tests/integration_tests_lsp.rs
@@ -1362,17 +1362,24 @@ fn lsp_code_actions() {
 #[test]
 fn lsp_code_actions_deno_cache() {
   let mut client = init("initialize_params.json");
-  did_open(
-    &mut client,
-    json!({
+  client
+    .write_notification("textDocument/didOpen", json!({
       "textDocument": {
         "uri": "file:///a/file.ts",
         "languageId": "typescript",
         "version": 1,
         "text": "import * as a from \"https://deno.land/x/a/mod.ts\";\n\nconsole.log(a);\n"
       }
-    }),
-  );
+    }))
+    .unwrap();
+  let (method, _) = client.read_notification::<Value>().unwrap();
+  assert_eq!(method, "textDocument/publishDiagnostics");
+  let (method, _) = client.read_notification::<Value>().unwrap();
+  assert_eq!(method, "textDocument/publishDiagnostics");
+  let (method, params) = client.read_notification().unwrap();
+  assert_eq!(method, "textDocument/publishDiagnostics");
+  assert_eq!(params, Some(load_fixture("diagnostics_deno_deps.json")));
+
   let (maybe_res, maybe_err) = client
     .write_request(
       "textDocument/codeAction",
diff --git a/cli/tests/lsp/diagnostics_deno_deps.json b/cli/tests/lsp/diagnostics_deno_deps.json
new file mode 100644
index 0000000000..ec6cc4f516
--- /dev/null
+++ b/cli/tests/lsp/diagnostics_deno_deps.json
@@ -0,0 +1,25 @@
+{
+  "uri": "file:///a/file.ts",
+  "diagnostics": [
+    {
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 19
+        },
+        "end": {
+          "line": 0,
+          "character": 49
+        }
+      },
+      "severity": 1,
+      "code": "no-cache",
+      "source": "deno",
+      "message": "Uncached or missing remote URL: \"https://deno.land/x/a/mod.ts\".",
+      "data": {
+        "specifier": "https://deno.land/x/a/mod.ts"
+      }
+    }
+  ],
+  "version": 1
+}