diff --git a/package-lock.json b/package-lock.json
index 40e12b2f7..3e48bd464 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -828,14 +828,13 @@
       "dev": true
     },
     "node_modules/@types/inquirer": {
-      "version": "8.1.3",
-      "resolved": "https://registry.npmjs.org/@types/inquirer/-/inquirer-8.1.3.tgz",
-      "integrity": "sha512-AayK4ZL5ssPzR1OtnOLGAwpT0Dda3Xi/h1G0l1oJDNrowp7T1423q4Zb8/emr7tzRlCy4ssEri0LWVexAqHyKQ==",
+      "version": "8.2.4",
+      "resolved": "https://registry.npmjs.org/@types/inquirer/-/inquirer-8.2.4.tgz",
+      "integrity": "sha512-Pxxx3i3AyK7vKAj3LRM/vF7ETcHKiLJ/u5CnNgbz/eYj/vB3xGAYtRxI5IKtq0hpe5iFHD22BKV3n6WHUu0k4Q==",
       "dev": true,
       "peer": true,
       "dependencies": {
-        "@types/through": "*",
-        "rxjs": "^7.2.0"
+        "@types/through": "*"
       }
     },
     "node_modules/@types/json-schema": {
@@ -14345,14 +14344,13 @@
       "dev": true
     },
     "@types/inquirer": {
-      "version": "8.1.3",
-      "resolved": "https://registry.npmjs.org/@types/inquirer/-/inquirer-8.1.3.tgz",
-      "integrity": "sha512-AayK4ZL5ssPzR1OtnOLGAwpT0Dda3Xi/h1G0l1oJDNrowp7T1423q4Zb8/emr7tzRlCy4ssEri0LWVexAqHyKQ==",
+      "version": "8.2.4",
+      "resolved": "https://registry.npmjs.org/@types/inquirer/-/inquirer-8.2.4.tgz",
+      "integrity": "sha512-Pxxx3i3AyK7vKAj3LRM/vF7ETcHKiLJ/u5CnNgbz/eYj/vB3xGAYtRxI5IKtq0hpe5iFHD22BKV3n6WHUu0k4Q==",
       "dev": true,
       "peer": true,
       "requires": {
-        "@types/through": "*",
-        "rxjs": "^7.2.0"
+        "@types/through": "*"
       }
     },
     "@types/json-schema": {
diff --git a/tsconfig.json b/tsconfig.json
index a414b74e8..8d3243af4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -26,5 +26,18 @@
     // cannot leave it enabled.
     // See: https://github.com/microsoft/TypeScript/issues/49974
     // "importsNotUsedAsValues": "error"
+
+    // tsc has a clever and usually helpful feature ("@types support")
+    // wherein it automatically ingests any type definitions found in
+    // node_modues/@types/**/*.d.ts.  This lets you tell it about the
+    // types for your favourite framework or library just by
+    // installing the relevant @types/<whatever> npm package.
+    //
+    // We don't (as of this writing) use this feature, and it causes a
+    // problem when one of our dependencies pulls in such a package
+    // which turns out to have syntax errors (see e.g. discussion on
+    // PR #6564: https://github.com/google/blockly/pull/6564), so
+    // disable it except for the explicitly-specified types.
+    "types": [],
   }
 }