diff --git a/lib/plugins/aws/provider.js b/lib/plugins/aws/provider.js
index 2ece54fd9..33d084ca8 100644
--- a/lib/plugins/aws/provider.js
+++ b/lib/plugins/aws/provider.js
@@ -353,6 +353,16 @@ class AwsProvider {
             required: ['Fn::GetAtt'],
             additionalProperties: false,
           },
+          awsCfGetAZs: {
+            type: 'object',
+            properties: {
+              'Fn::GetAZs': {
+                oneOf: [{ type: 'string', minLength: 1 }, { $ref: '#/definitions/awsCfRef' }],
+              },
+            },
+            required: ['Fn::GetAZs'],
+            additionalProperties: false,
+          },
           awsCfImport: {
             type: 'object',
             properties: {
@@ -399,6 +409,31 @@ class AwsProvider {
             required: ['Fn::Join'],
             additionalProperties: false,
           },
+          awsCfSelect: {
+            type: 'object',
+            properties: {
+              'Fn::Select': {
+                type: 'array',
+                minItems: 2,
+                maxItems: 2,
+                items: {
+                  anyOf: [
+                    { type: 'number' },
+                    { type: 'string' },
+                    { type: 'array' },
+                    { $ref: '#/definitions/awsCfFindInMap' },
+                    { $ref: '#/definitions/awsCfGetAtt' },
+                    { $ref: '#/definitions/awsCfGetAZs' },
+                    { $ref: '#/definitions/awsCfIf' },
+                    { $ref: '#/definitions/awsCfSplit' },
+                    { $ref: '#/definitions/awsCfRef' },
+                  ],
+                },
+              },
+            },
+            required: ['Fn::Select'],
+            additionalProperties: false,
+          },
           awsCfRef: {
             type: 'object',
             properties: {
@@ -531,6 +566,7 @@ class AwsProvider {
                   { const: '' },
                   { $ref: '#/definitions/awsCfInstruction' },
                   { $ref: '#/definitions/awsCfIf' },
+                  { $ref: '#/definitions/awsCfSelect' },
                 ],
               },
             },