diff --git a/frontend/obsidian-plugin/package.json b/frontend/obsidian-plugin/package.json
index 14b286c9..a06b9382 100644
--- a/frontend/obsidian-plugin/package.json
+++ b/frontend/obsidian-plugin/package.json
@@ -26,7 +26,7 @@
         "sass-loader": "^16.0.5",
         "sync-client": "file:../sync-client",
         "terser-webpack-plugin": "^5.3.14",
-        "ts-loader": "^9.5.2",
+        "ts-loader": "^9.5.4",
         "tslib": "2.8.1",
         "tsx": "^4.20.5",
         "typescript": "5.8.3",
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 7876659b..3bde2774 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -3966,7 +3966,9 @@
 			}
 		},
 		"node_modules/ts-loader": {
-			"version": "9.5.2",
+			"version": "9.5.4",
+			"resolved": "https://registry.npmjs.org/ts-loader/-/ts-loader-9.5.4.tgz",
+			"integrity": "sha512-nCz0rEwunlTZiy6rXFByQU1kVVpCIgUpc/psFiKVrUwrizdnIbRFu8w7bxhUF0X613DYwT4XzrZHpVyMe758hQ==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -4510,7 +4512,7 @@
 				"sass-loader": "^16.0.5",
 				"sync-client": "file:../sync-client",
 				"terser-webpack-plugin": "^5.3.14",
-				"ts-loader": "^9.5.2",
+				"ts-loader": "^9.5.4",
 				"tslib": "2.8.1",
 				"tsx": "^4.20.5",
 				"typescript": "5.8.3",
@@ -4548,7 +4550,7 @@
 			},
 			"devDependencies": {
 				"@types/node": "^22.15.30",
-				"ts-loader": "^9.5.2",
+				"ts-loader": "^9.5.4",
 				"tslib": "2.8.1",
 				"tsx": "^4.20.5",
 				"typescript": "5.8.3",
@@ -4604,7 +4606,7 @@
 				"@types/node": "^22.15.30",
 				"bufferutil": "^4.0.9",
 				"sync-client": "file:../sync-client",
-				"ts-loader": "^9.5.2",
+				"ts-loader": "^9.5.4",
 				"tslib": "2.8.1",
 				"tsx": "^4.20.5",
 				"typescript": "5.8.3",
diff --git a/frontend/sync-client/package.json b/frontend/sync-client/package.json
index 0046f5c2..e12f7d61 100644
--- a/frontend/sync-client/package.json
+++ b/frontend/sync-client/package.json
@@ -21,7 +21,7 @@
     },
     "devDependencies": {
         "@types/node": "^22.15.30",
-        "ts-loader": "^9.5.2",
+        "ts-loader": "^9.5.4",
         "tslib": "2.8.1",
         "tsx": "^4.20.5",
         "typescript": "5.8.3",
diff --git a/frontend/test-client/package.json b/frontend/test-client/package.json
index ba40bd48..a939d8ce 100644
--- a/frontend/test-client/package.json
+++ b/frontend/test-client/package.json
@@ -14,7 +14,7 @@
         "@types/node": "^22.15.30",
         "bufferutil": "^4.0.9",
         "sync-client": "file:../sync-client",
-        "ts-loader": "^9.5.2",
+        "ts-loader": "^9.5.4",
         "tslib": "2.8.1",
         "tsx": "^4.20.5",
         "typescript": "5.8.3",