diff --git a/scripts/check-type-dependencies.js b/scripts/check-type-dependencies.js
index bb5f3b0967..4db1109145 100755
--- a/scripts/check-type-dependencies.js
+++ b/scripts/check-type-dependencies.js
@@ -143,7 +143,10 @@ function findTypesPackage(dep, pkg) {
  */
 function findTypeDepErrors(typeDeps, pkg) {
   const devDeps = mkTypeDepSet(pkg.get('devDependencies'));
-  const deps = mkTypeDepSet(pkg.get('dependencies'));
+  const deps = mkTypeDepSet({
+    ...pkg.get('dependencies'),
+    ...pkg.get('peerDependencies'),
+  });
 
   const errors = [];
   for (const typeDep of typeDeps) {