diff --git a/packages/util-dynamodb/src/convertToAttr.spec.ts b/packages/util-dynamodb/src/convertToAttr.spec.ts
index 4c9f3a90f5768..eae38fb3efd19 100644
--- a/packages/util-dynamodb/src/convertToAttr.spec.ts
+++ b/packages/util-dynamodb/src/convertToAttr.spec.ts
@@ -63,13 +63,13 @@ describe("convertToAttr", () => {
 
             expect(() => {
               convertToAttr(num, { convertClassInstanceToMap });
-            }).toThrowError(`${errorPrefix} Use BigInt.`);
+            }).toThrowError(`${errorPrefix} Use NumberValue from @aws-sdk/lib-dynamodb.`);
 
             const BigIntConstructor = BigInt;
             (BigInt as any) = undefined;
             expect(() => {
               convertToAttr(num, { convertClassInstanceToMap });
-            }).toThrowError(`${errorPrefix} Pass string value instead.`);
+            }).toThrowError(`${errorPrefix} Use NumberValue from @aws-sdk/lib-dynamodb.`);
             BigInt = BigIntConstructor;
           });
         });
@@ -81,13 +81,13 @@ describe("convertToAttr", () => {
 
             expect(() => {
               convertToAttr(num, { convertClassInstanceToMap });
-            }).toThrowError(`${errorPrefix} Use BigInt.`);
+            }).toThrowError(`${errorPrefix} Use NumberValue from @aws-sdk/lib-dynamodb.`);
 
             const BigIntConstructor = BigInt;
             (BigInt as any) = undefined;
             expect(() => {
               convertToAttr(num, { convertClassInstanceToMap });
-            }).toThrowError(`${errorPrefix} Pass string value instead.`);
+            }).toThrowError(`${errorPrefix} Use NumberValue from @aws-sdk/lib-dynamodb.`);
             BigInt = BigIntConstructor;
           });
         });
diff --git a/packages/util-dynamodb/src/convertToAttr.ts b/packages/util-dynamodb/src/convertToAttr.ts
index a617d21ca2156..415b7574ac87f 100644
--- a/packages/util-dynamodb/src/convertToAttr.ts
+++ b/packages/util-dynamodb/src/convertToAttr.ts
@@ -157,7 +157,7 @@ const convertToStringAttr = (data: string | String): { S: string } => ({ S: data
 const convertToBigIntAttr = (data: bigint): { N: string } => ({ N: data.toString() });
 
 const validateBigIntAndThrow = (errorPrefix: string) => {
-  throw new Error(`${errorPrefix} ${typeof BigInt === "function" ? "Use BigInt." : "Pass string value instead."} `);
+  throw new Error(`${errorPrefix} Use NumberValue from @aws-sdk/lib-dynamodb.`);
 };
 
 const convertToNumberAttr = (num: number | Number): { N: string } => {