diff --git a/ts/package-lock.json b/ts/package-lock.json
index 3256a1878..0ced64501 100644
--- a/ts/package-lock.json
+++ b/ts/package-lock.json
@@ -10,7 +10,7 @@
       "integrity": "sha512-Lz4BAJihoFw5nRzKvg4nawXPzutkv7wmfQ5121avptaSIXlDNJCUuxZxX/G+9EVidZGuO0UBlk+YjKbwRKJigg==",
       "dev": true,
       "requires": {
-        "@types/sizzle": "*"
+        "@types/sizzle": "2.3.2"
       }
     },
     "@types/jqueryui": {
@@ -19,7 +19,7 @@
       "integrity": "sha512-bHE7BiG+5Sviy/eA9Npz5HHF3hv40XjaEbpYtSJPaNwuyxhSJ0qWlE8C5DgNMfobVOZ2aSTrM1iGDCGmvlbxOg==",
       "dev": true,
       "requires": {
-        "@types/jquery": "*"
+        "@types/jquery": "3.3.31"
       }
     },
     "@types/mathjax": {