diff --git a/html/package.json b/html/package.json
index de0957a..a801858 100644
--- a/html/package.json
+++ b/html/package.json
@@ -35,7 +35,7 @@
     "style-loader": "^3.2.1",
     "terser-webpack-plugin": "^5.1.4",
     "through2": "^4.0.2",
-    "ts-loader": "^9.2.4",
+    "ts-loader": "^9.4.2",
     "tslint": "^6.1.3",
     "tslint-loader": "^3.5.4",
     "typescript": "^4.3.5",
diff --git a/html/yarn.lock b/html/yarn.lock
index e18d001..f807aed 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -7048,10 +7048,10 @@ trim-newlines@^3.0.0:
   dependencies:
     glob "^7.1.2"
 
-ts-loader@^9.2.4:
-  version "9.2.4"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-9.2.4.tgz#55fe7e5eab29fe4bdfb01c1f941c2bab928b7f92"
-  integrity sha512-Ats2BCqPFBkgsoZUmmYMjuQu+iBNExt4o3QDsJqRMuPdStWlnOthdqX/GHHJnxSSgw7Gu6Hll/MD5b4usgKFOg==
+ts-loader@^9.4.2:
+  version "9.4.2"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-9.4.2.tgz#80a45eee92dd5170b900b3d00abcfa14949aeb78"
+  integrity sha512-OmlC4WVmFv5I0PpaxYb+qGeGOdm5giHU7HwDDUjw59emP2UYMHy9fFSDcYgSNoH8sXcj4hGCSEhlDZ9ULeDraA==
   dependencies:
     chalk "^4.1.0"
     enhanced-resolve "^5.0.0"