diff --git a/docs/package.json b/docs/package.json
index 88adc6a8..67259166 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -44,7 +44,7 @@
     "@ember/test-helpers": "^3.3.0",
     "@embroider/compat": "^3.5.4",
     "@embroider/core": "^3.4.14",
-    "@embroider/webpack": "^4.0.3",
+    "@embroider/webpack": "^4.0.4",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
     "autoprefixer": "^10.4.19",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 02bf0d98..eca4133d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -63,8 +63,8 @@ importers:
         specifier: ^3.4.14
         version: 3.4.14(@glint/template@1.4.0)
       '@embroider/webpack':
-        specifier: ^4.0.3
-        version: 4.0.3(@embroider/core@3.4.14)(webpack@5.92.1)
+        specifier: ^4.0.4
+        version: 4.0.4(@embroider/core@3.4.14)(webpack@5.92.1)
       '@glimmer/component':
         specifier: ^1.1.2
         version: 1.1.2(@babel/core@7.24.7)
@@ -342,10 +342,10 @@ importers:
         version: 3.4.14(@glint/template@1.4.0)
       '@embroider/test-setup':
         specifier: ^4.0.0
-        version: 4.0.0(@embroider/compat@3.5.4)(@embroider/core@3.4.14)(@embroider/webpack@4.0.3)
+        version: 4.0.0(@embroider/compat@3.5.4)(@embroider/core@3.4.14)(@embroider/webpack@4.0.4)
       '@embroider/webpack':
-        specifier: ^4.0.3
-        version: 4.0.3(@embroider/core@3.4.14)(webpack@5.92.1)
+        specifier: ^4.0.4
+        version: 4.0.4(@embroider/core@3.4.14)(webpack@5.92.1)
       '@glimmer/component':
         specifier: ^1.1.2
         version: 1.1.2(@babel/core@7.24.7)
@@ -670,7 +670,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0
     dependencies:
-      '@babel/core': 7.24.7(supports-color@8.1.1)
+      '@babel/core': 7.24.7
       '@babel/helper-annotate-as-pure': 7.24.7
       regexpu-core: 5.2.2
 
@@ -1312,7 +1312,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7(supports-color@8.1.1)
+      '@babel/core': 7.24.7
       '@babel/helper-create-regexp-features-plugin': 7.20.5(@babel/core@7.24.7)
       '@babel/helper-plugin-utils': 7.24.7
 
@@ -1321,7 +1321,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-class-properties@7.12.13(@babel/core@7.24.7):
@@ -1338,7 +1338,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-decorators@7.24.7(@babel/core@7.24.7):
@@ -1363,7 +1363,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-import-assertions@7.20.0(@babel/core@7.24.7):
@@ -1380,7 +1380,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-logical-assignment-operators@7.10.4(@babel/core@7.24.7):
@@ -1388,7 +1388,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-nullish-coalescing-operator@7.8.3(@babel/core@7.24.7):
@@ -1396,7 +1396,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-numeric-separator@7.10.4(@babel/core@7.24.7):
@@ -1404,7 +1404,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-object-rest-spread@7.8.3(@babel/core@7.24.7):
@@ -1412,7 +1412,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-optional-catch-binding@7.8.3(@babel/core@7.24.7):
@@ -1420,7 +1420,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-optional-chaining@7.8.3(@babel/core@7.24.7):
@@ -1428,7 +1428,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-private-property-in-object@7.14.5(@babel/core@7.24.7):
@@ -1437,7 +1437,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-syntax-top-level-await@7.14.5(@babel/core@7.24.7):
@@ -1589,7 +1589,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7(supports-color@8.1.1)
+      '@babel/core': 7.24.7
       '@babel/helper-create-regexp-features-plugin': 7.20.5(@babel/core@7.24.7)
       '@babel/helper-plugin-utils': 7.24.7
 
@@ -1806,7 +1806,7 @@ packages:
     peerDependencies:
       '@babel/core': ^7.0.0-0
     dependencies:
-      '@babel/core': 7.24.7
+      '@babel/core': 7.24.7(supports-color@8.1.1)
       '@babel/helper-plugin-utils': 7.24.7
 
   /@babel/plugin-transform-property-literals@7.18.6(@babel/core@7.24.7):
@@ -2703,12 +2703,12 @@ packages:
       - supports-color
     dev: true
 
-  /@embroider/shared-internals@2.6.1(supports-color@8.1.1):
-    resolution: {integrity: sha512-STU1oDP36JQY+zpivyAfXGXadN664d+DOiVNBUW+4AAuWLVxIRWDIuFj8UxzREXZU9trZY8vOhKwKQtfEgdwSg==}
+  /@embroider/shared-internals@2.6.2:
+    resolution: {integrity: sha512-jL3Bjn8C73AUBlTex+VixP7YmqvPNN/BZFB85odTstzLFOuR8y2mmGiuWbq17qNuFyoxc6xtndMnAeqwCXBNkA==}
     engines: {node: 12.* || 14.* || >= 16}
     dependencies:
       babel-import-util: 2.0.0
-      debug: 4.3.4(supports-color@8.1.1)
+      debug: 4.3.4(supports-color@9.4.0)
       ember-rfc176-data: 0.3.18
       fs-extra: 9.1.0
       js-string-escape: 1.0.1
@@ -2719,14 +2719,13 @@ packages:
       typescript-memoize: 1.1.1
     transitivePeerDependencies:
       - supports-color
-    dev: true
 
-  /@embroider/shared-internals@2.6.2:
+  /@embroider/shared-internals@2.6.2(supports-color@8.1.1):
     resolution: {integrity: sha512-jL3Bjn8C73AUBlTex+VixP7YmqvPNN/BZFB85odTstzLFOuR8y2mmGiuWbq17qNuFyoxc6xtndMnAeqwCXBNkA==}
     engines: {node: 12.* || 14.* || >= 16}
     dependencies:
       babel-import-util: 2.0.0
-      debug: 4.3.4(supports-color@9.4.0)
+      debug: 4.3.4(supports-color@8.1.1)
       ember-rfc176-data: 0.3.18
       fs-extra: 9.1.0
       js-string-escape: 1.0.1
@@ -2737,8 +2736,9 @@ packages:
       typescript-memoize: 1.1.1
     transitivePeerDependencies:
       - supports-color
+    dev: true
 
-  /@embroider/test-setup@4.0.0(@embroider/compat@3.5.4)(@embroider/core@3.4.14)(@embroider/webpack@4.0.3):
+  /@embroider/test-setup@4.0.0(@embroider/compat@3.5.4)(@embroider/core@3.4.14)(@embroider/webpack@4.0.4):
     resolution: {integrity: sha512-1S3Ebk0CEh3XDqD93AWSwQZBCk+oGv03gtkaGgdgyXGIR7jrVyDgEnEuslN/hJ0cuU8TqhiXrzHMw7bJwIGhWw==}
     engines: {node: 12.* || 14.* || >= 16}
     peerDependencies:
@@ -2755,16 +2755,16 @@ packages:
     dependencies:
       '@embroider/compat': 3.5.4(@embroider/core@3.4.14)
       '@embroider/core': 3.4.14(@glint/template@1.4.0)
-      '@embroider/webpack': 4.0.3(@embroider/core@3.4.14)(webpack@5.92.1)
+      '@embroider/webpack': 4.0.4(@embroider/core@3.4.14)(webpack@5.92.1)
       lodash: 4.17.21
       resolve: 1.22.8
     dev: true
 
-  /@embroider/webpack@4.0.3(@embroider/core@3.4.14)(webpack@5.92.1):
-    resolution: {integrity: sha512-bDjQfyI8O7xADDajfQ6IFHen4XirsNJ2Y3s0LzNw/USWYCD043G+K7wAsZ0HXfhkZKyj+uw60zeOWQuVrepWGQ==}
+  /@embroider/webpack@4.0.4(@embroider/core@3.4.14)(webpack@5.92.1):
+    resolution: {integrity: sha512-U1c04geaofGvYtx1/ebF/4tCh2sPh1KJbee5+6U8n50fKwsmae+DpdfBsIcK02jTI/ndWnOkH4jWh3GiGryoiw==}
     engines: {node: 12.* || 14.* || >= 16}
     peerDependencies:
-      '@embroider/core': ^3.4.11
+      '@embroider/core': ^3.4.14
       webpack: ^5.0.0
     dependencies:
       '@babel/core': 7.24.7(supports-color@8.1.1)
@@ -2772,7 +2772,7 @@ packages:
       '@embroider/babel-loader-9': 3.1.1(@embroider/core@3.4.14)(supports-color@8.1.1)(webpack@5.92.1)
       '@embroider/core': 3.4.14(@glint/template@1.4.0)
       '@embroider/hbs-loader': 3.0.3(@embroider/core@3.4.14)(webpack@5.92.1)
-      '@embroider/shared-internals': 2.6.1(supports-color@8.1.1)
+      '@embroider/shared-internals': 2.6.2(supports-color@8.1.1)
       '@types/supports-color': 8.1.1
       assert-never: 1.2.1
       babel-loader: 8.3.0(@babel/core@7.24.7)(webpack@5.92.1)
diff --git a/test-app/package.json b/test-app/package.json
index 0d568cbc..28a4d0d0 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -45,7 +45,7 @@
     "@embroider/compat": "^3.5.4",
     "@embroider/core": "^3.4.14",
     "@embroider/test-setup": "^4.0.0",
-    "@embroider/webpack": "^4.0.3",
+    "@embroider/webpack": "^4.0.4",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
     "broccoli-asset-rev": "^3.0.0",