diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 0faedee33452..f4fa6d1ece75 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -41,7 +41,7 @@
     "@babel/traverse": "^7.1.5",
     "@babel/types": "^7.1.5",
     "convert-source-map": "^1.1.0",
-    "debug": "^3.1.0",
+    "debug": "^4.1.0",
     "json5": "^2.1.0",
     "lodash": "^4.17.10",
     "resolve": "^1.3.2",
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 0d3fe6e8d755..b252be501be9 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -17,7 +17,7 @@
     "@babel/helper-split-export-declaration": "^7.0.0",
     "@babel/parser": "^7.1.5",
     "@babel/types": "^7.1.5",
-    "debug": "^3.1.0",
+    "debug": "^4.1.0",
     "globals": "^11.1.0",
     "lodash": "^4.17.10"
   },