diff --git a/.changeset/wet-buttons-dress.md b/.changeset/wet-buttons-dress.md
new file mode 100644
index 0000000000..3852116215
--- /dev/null
+++ b/.changeset/wet-buttons-dress.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Add `@types/webpack-env` to dependencies.
diff --git a/packages/backend-common/package.json b/packages/backend-common/package.json
index 2232411318..9e621ba92d 100644
--- a/packages/backend-common/package.json
+++ b/packages/backend-common/package.json
@@ -47,6 +47,7 @@
     "@types/dockerode": "^3.3.0",
     "@types/express": "^4.17.6",
     "@types/luxon": "^2.0.4",
+    "@types/webpack-env": "^1.15.2",
     "archiver": "^5.0.2",
     "aws-sdk": "^2.840.0",
     "compression": "^1.7.4",
diff --git a/scripts/check-type-dependencies.js b/scripts/check-type-dependencies.js
index f773e91293..4374e36ae6 100755
--- a/scripts/check-type-dependencies.js
+++ b/scripts/check-type-dependencies.js
@@ -79,7 +79,9 @@ function findAllDeps(declSrc) {
     .filter(n => !n.startsWith('.'));
   const referencedDeps = (declSrc.match(/types=".*"/g) || [])
     .map(match => match.replace(/types="(.*)"/, '$1'))
-    .filter(n => !n.startsWith('.'));
+    .filter(n => !n.startsWith('.'))
+    // We allow references to these without an explicit dependency.
+    .filter(n => !['node', 'react'].includes(n));
   return Array.from(new Set([...importedDeps, ...referencedDeps]));
 }