diff --git a/lib/plugins/aws/provider.js b/lib/plugins/aws/provider.js
index 8700666d2..39b83fb73 100644
--- a/lib/plugins/aws/provider.js
+++ b/lib/plugins/aws/provider.js
@@ -837,7 +837,7 @@ class AwsProvider {
                       properties: {
                         managedPolicies: {
                           type: 'array',
-                          items: { $ref: '#/definitions/awsArnString' },
+                          items: { $ref: '#/definitions/awsArn' },
                         },
                         statements: { $ref: '#/definitions/awsIamPolicyStatements' },
                         permissionBoundary: { $ref: '#/definitions/awsArnString' },
@@ -851,7 +851,7 @@ class AwsProvider {
               },
               additionalProperties: false,
             },
-            iamManagedPolicies: { type: 'array', items: { $ref: '#/definitions/awsArnString' } },
+            iamManagedPolicies: { type: 'array', items: { $ref: '#/definitions/awsArn' } },
             iamRoleStatements: { $ref: '#/definitions/awsIamPolicyStatements' },
             ecr: {
               type: 'object',