diff --git a/package-lock.json b/package-lock.json
index 722fec1..3d705b1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11486,9 +11486,9 @@
       }
     },
     "sass-loader": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-7.0.1.tgz",
-      "integrity": "sha512-MeVVJFejJELlAbA7jrRchi88PGP6U9yIfqyiG+bBC4a9s2PX+ulJB9h8bbEohtPBfZmlLhNZ0opQM9hovRXvlw==",
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-7.0.3.tgz",
+      "integrity": "sha512-iaSFtQcGo4SSgDw5Aes5p4VTrA5jCGSA7sGmhPIcOloBlgI1VktM2MUrk2IHHjbNagckXlPz+HWq1vAAPrcYxA==",
       "dev": true,
       "requires": {
         "clone-deep": "^2.0.1",
diff --git a/package.json b/package.json
index 562c0b6..aa7c140 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "preact-redux": "^2.0.3",
     "redux": "^4.0.0",
     "redux-promise": "^0.6.0",
-    "sass-loader": "^7.0.1",
+    "sass-loader": "^7.0.3",
     "sinon-chrome": "^2.3.2",
     "style-loader": "^0.21.0",
     "web-ext": "github:ueokande/web-ext#patched-2.6.0",