diff --git a/packages/create-react-app/package.json b/packages/create-react-app/package.json
index 27f7fc74089..41922423959 100644
--- a/packages/create-react-app/package.json
+++ b/packages/create-react-app/package.json
@@ -23,14 +23,14 @@
   "dependencies": {
     "chalk": "^1.1.3",
     "commander": "^2.9.0",
-    "cross-spawn": "^4.0.0",
+    "cross-spawn": "^7.0.6",
     "envinfo": "5.4.0",
     "fs-extra": "^5.0.0",
     "hyperquest": "^2.1.2",
-    "react-dev-utils": "^5.0.0",
+    "react-dev-utils": "^12.0.1",
     "semver": "^5.0.3",
     "tar-pack": "^3.4.0",
-    "tmp": "0.0.33",
+    "tmp": "0.2.4",
     "validate-npm-package-name": "^3.0.0"
   }
 }
diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 48197f822c3..95cd15ff603 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -42,7 +42,7 @@
     "address": "1.0.3",
     "browserslist": "2.11.3",
     "chalk": "2.3.0",
-    "cross-spawn": "5.1.0",
+    "cross-spawn": "6.0.6",
     "detect-port-alt": "1.1.6",
     "escape-string-regexp": "1.0.5",
     "filesize": "3.5.11",
diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index e61fcade8bf..49791d8907d 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "@babel/core": "7.0.0-beta.46",
-    "@babel/runtime": "7.0.0-beta.46",
+    "@babel/runtime": "7.26.10",
     "autoprefixer": "7.2.5",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "8.2.2",
@@ -56,7 +56,7 @@
     "postcss-loader": "2.0.10",
     "promise": "8.0.1",
     "raf": "3.4.0",
-    "react-dev-utils": "^5.0.0",
+    "react-dev-utils": "^12.0.1",
     "resolve": "1.6.0",
     "sass-loader": "7.0.1",
     "style-loader": "0.19.1",
@@ -66,7 +66,7 @@
     "uglifyjs-webpack-plugin": "1.1.6",
     "url-loader": "0.6.2",
     "webpack": "3.10.0",
-    "webpack-dev-server": "2.11.0",
+    "webpack-dev-server": "5.2.1",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"
   },
@@ -75,7 +75,7 @@
     "react-dom": "^16.0.0"
   },
   "optionalDependencies": {
-    "fsevents": "1.2.0"
+    "fsevents": "2.0.0"
   },
   "browserslist": {
     "development": [