diff --git a/packages/aws-cdk-lib/aws-cloudwatch/test/metrics.test.ts b/packages/aws-cdk-lib/aws-cloudwatch/test/metrics.test.ts
index ac0d0186ea014..42f3bd14a1fbb 100644
--- a/packages/aws-cdk-lib/aws-cloudwatch/test/metrics.test.ts
+++ b/packages/aws-cdk-lib/aws-cloudwatch/test/metrics.test.ts
@@ -112,7 +112,7 @@ describe('Metrics', () => {
 
   });
 
-  testDeprecated('throws error when there are more than 10 dimensions', () => {
+  testDeprecated('throws error when there are more than 30 dimensions', () => {
     expect(() => {
       new Metric({
         namespace: 'Test',
@@ -130,13 +130,33 @@ describe('Metrics', () => {
           dimensionI: 'value9',
           dimensionJ: 'value10',
           dimensionK: 'value11',
+          dimensionL: 'value12',
+          dimensionM: 'value13',
+          dimensionN: 'value14',
+          dimensionO: 'value15',
+          dimensionP: 'value16',
+          dimensionQ: 'value17',
+          dimensionR: 'value18',
+          dimensionS: 'value19',
+          dimensionT: 'value20',
+          dimensionU: 'value21',
+          dimensionV: 'value22',
+          dimensionW: 'value23',
+          dimensionX: 'value24',
+          dimensionY: 'value25',
+          dimensionZ: 'value26',
+          dimensionAA: 'value27',
+          dimensionAB: 'value28',
+          dimensionAC: 'value29',
+          dimensionAD: 'value30',
+          dimensionAE: 'value31',
         },
       } );
-    }).toThrow(/The maximum number of dimensions is 10, received 11/);
+    }).toThrow(/The maximum number of dimensions is 30, received 31/);
 
   });
 
-  test('throws error when there are more than 10 dimensions in dimensionsMap', () => {
+  test('throws error when there are more than 30 dimensions in dimensionsMap', () => {
     expect(() => {
       new Metric({
         namespace: 'Test',
@@ -154,9 +174,29 @@ describe('Metrics', () => {
           dimensionI: 'value9',
           dimensionJ: 'value10',
           dimensionK: 'value11',
+          dimensionL: 'value12',
+          dimensionM: 'value13',
+          dimensionN: 'value14',
+          dimensionO: 'value15',
+          dimensionP: 'value16',
+          dimensionQ: 'value17',
+          dimensionR: 'value18',
+          dimensionS: 'value19',
+          dimensionT: 'value20',
+          dimensionU: 'value21',
+          dimensionV: 'value22',
+          dimensionW: 'value23',
+          dimensionX: 'value24',
+          dimensionY: 'value25',
+          dimensionZ: 'value26',
+          dimensionAA: 'value27',
+          dimensionAB: 'value28',
+          dimensionAC: 'value29',
+          dimensionAD: 'value30',
+          dimensionAE: 'value31',
         },
       } );
-    }).toThrow(/The maximum number of dimensions is 10, received 11/);
+    }).toThrow(/The maximum number of dimensions is 30, received 31/);
 
   });