diff --git a/packages/variables/package-lock.json b/packages/variables/package-lock.json
index 8577b63..93763a3 100644
--- a/packages/variables/package-lock.json
+++ b/packages/variables/package-lock.json
@@ -56,6 +56,16 @@
 				"csstype": "^2.2.0"
 			}
 		},
+		"@usagi-f/usagi-sandbox-lib-context": {
+			"version": "1.4.0",
+			"resolved": "https://registry.npmjs.org/@usagi-f/usagi-sandbox-lib-context/-/usagi-sandbox-lib-context-1.4.0.tgz",
+			"integrity": "sha512-5KRxK2ddFAWt1pfiRL2jYjKerQxZLeSvgX9P3ZHxtiLbREw0Rx4rIOJPwHZsqFMfSGin8paHOz+8+mrVbrmSmQ==",
+			"requires": {
+				"@types/react": "^16.7.20",
+				"react": "^16.7.0",
+				"typescript": "^3.2.4"
+			}
+		},
 		"acorn": {
 			"version": "6.1.0",
 			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
@@ -438,9 +448,9 @@
 			"dev": true
 		},
 		"css-what": {
-			"version": "2.1.2",
-			"resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.2.tgz",
-			"integrity": "sha512-wan8dMWQ0GUeF7DGEPVjhHemVW/vy6xUYmFzRY8RYqgA0JtXC9rJmbScBjqSu6dg9q0lwPQy6ZAmJVr3PPTvqQ==",
+			"version": "2.1.3",
+			"resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+			"integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==",
 			"dev": true
 		},
 		"cssesc": {