diff --git a/package-lock.json b/package-lock.json
index aef885e..f625031 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3404,19 +3404,11 @@
       "dev": true
     },
     "through2": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
-      "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
+      "integrity": "sha512-iOqSav00cVxEEICeD7TjLB1sueEL+81Wpzp2bY17uZjZN0pWZPuo4suZ/61VujxmqSGFfgOcNuTZ85QJwNZQpw==",
       "requires": {
-        "inherits": "^2.0.4",
-        "readable-stream": "2 || 3"
-      },
-      "dependencies": {
-        "inherits": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
-        }
+        "readable-stream": "3"
       }
     },
     "tmp": {
diff --git a/package.json b/package.json
index 3bf1191..a803bb8 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
   },
   "dependencies": {
     "plugin-error": "^1.0.1",
-    "through2": "^3.0.2",
+    "through2": "^4.0.2",
     "vinyl": "^2.2.1",
     "wp-pot": "^1.9.6"
   }