diff --git a/packages/web_sandbox/package.json b/packages/web_sandbox/package.json
index b3ccb12..e6f8444 100644
--- a/packages/web_sandbox/package.json
+++ b/packages/web_sandbox/package.json
@@ -29,7 +29,7 @@
     "node-sass": "^4.12.0",
     "postcss-loader": "^3.0.0",
     "prettier": "^1.13.7",
-    "raw-loader": "^3.0.0",
+    "raw-loader": "^4.0.0",
     "rimraf": "^3.0.0",
     "sass-loader": "^8.0.0",
     "style-loader": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 739c0de..6f4ca86 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8691,13 +8691,13 @@ raw-body@2.3.3:
     iconv-lite "0.4.23"
     unpipe "1.0.0"
 
-raw-loader@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-3.1.0.tgz#5e9d399a5a222cc0de18f42c3bc5e49677532b3f"
-  integrity sha512-lzUVMuJ06HF4rYveaz9Tv0WRlUMxJ0Y1hgSkkgg+50iEdaI0TthyEDe08KIHb0XsF6rn8WYTqPCaGTZg3sX+qA==
+raw-loader@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-4.0.0.tgz#d639c40fb9d72b5c7f8abc1fb2ddb25b29d3d540"
+  integrity sha512-iINUOYvl1cGEmfoaLjnZXt4bKfT2LJnZZib5N/LLyAphC+Dd11vNP9CNVb38j+SAJpFI1uo8j9frmih53ASy7Q==
   dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^2.0.1"
+    loader-utils "^1.2.3"
+    schema-utils "^2.5.0"
 
 rc-align@^2.4.0, rc-align@^2.4.1:
   version "2.4.5"