diff --git a/package-lock.json b/package-lock.json
index 5c2efb76..b3111c02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4951,7 +4951,8 @@
     "filesize": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/filesize/-/filesize-6.1.0.tgz",
-      "integrity": "sha512-LpCHtPQ3sFx67z+uh2HnSyWSLLu5Jxo21795uRDuar/EOuYWXib5EmPaGIBuSnRqH2IODiKA2k5re/K9OnN/Yg=="
+      "integrity": "sha512-LpCHtPQ3sFx67z+uh2HnSyWSLLu5Jxo21795uRDuar/EOuYWXib5EmPaGIBuSnRqH2IODiKA2k5re/K9OnN/Yg==",
+      "dev": true
     },
     "fill-range": {
       "version": "7.0.1",
diff --git a/package.json b/package.json
index 5f15358f..a06ec8da 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
     "acorn-walk": "^8.0.0",
     "chalk": "^4.1.0",
     "commander": "^6.2.0",
-    "filesize": "^6.1.0",
     "gzip-size": "^6.0.0",
     "lodash": "^4.17.20",
     "opener": "^1.5.2",
@@ -69,6 +68,7 @@
     "eslint-config-th0r-react": "2.0.1",
     "eslint-plugin-react": "7.21.5",
     "exports-loader": "1.1.1",
+    "filesize": "^6.1.0",
     "globby": "11.0.1",
     "gulp": "4.0.2",
     "gulp-babel": "8.0.0",