diff --git a/addons/xterm-addon-attach/.npmignore b/addons/xterm-addon-attach/.npmignore
index e8fc8237..1c794445 100644
--- a/addons/xterm-addon-attach/.npmignore
+++ b/addons/xterm-addon-attach/.npmignore
@@ -2,3 +2,4 @@
 **/*.api.ts
 tsconfig.json
 .yarnrc
+webpack.config.js
diff --git a/addons/xterm-addon-fit/.npmignore b/addons/xterm-addon-fit/.npmignore
index e8fc8237..1c794445 100644
--- a/addons/xterm-addon-fit/.npmignore
+++ b/addons/xterm-addon-fit/.npmignore
@@ -2,3 +2,4 @@
 **/*.api.ts
 tsconfig.json
 .yarnrc
+webpack.config.js
diff --git a/addons/xterm-addon-search/.npmignore b/addons/xterm-addon-search/.npmignore
index e8fc8237..1c794445 100644
--- a/addons/xterm-addon-search/.npmignore
+++ b/addons/xterm-addon-search/.npmignore
@@ -2,3 +2,4 @@
 **/*.api.ts
 tsconfig.json
 .yarnrc
+webpack.config.js
diff --git a/addons/xterm-addon-web-links/.npmignore b/addons/xterm-addon-web-links/.npmignore
index e8fc8237..1c794445 100644
--- a/addons/xterm-addon-web-links/.npmignore
+++ b/addons/xterm-addon-web-links/.npmignore
@@ -2,3 +2,4 @@
 **/*.api.ts
 tsconfig.json
 .yarnrc
+webpack.config.js