diff --git a/lib/plugins/aws/provider/awsProvider.js b/lib/plugins/aws/provider/awsProvider.js
index e7296b943cd..65abcf7a109 100644
--- a/lib/plugins/aws/provider/awsProvider.js
+++ b/lib/plugins/aws/provider/awsProvider.js
@@ -406,9 +406,8 @@ class AwsProvider {
           awsResourceTags: {
             type: 'object',
             patternProperties: {
-              '^(?!aws:)[\\w./=+-]{1,128}$': {
+              '^(?!aws:)[\\w./=+:-]{1,128}$': {
                 type: 'string',
-                pattern: '^(?!aws:)[\\w./=+-]*$',
                 maxLength: 256,
               },
             },