diff --git a/DynamoDbEncryption/runtimes/java/build.gradle.kts b/DynamoDbEncryption/runtimes/java/build.gradle.kts
index acaf93455..a0b015799 100644
--- a/DynamoDbEncryption/runtimes/java/build.gradle.kts
+++ b/DynamoDbEncryption/runtimes/java/build.gradle.kts
@@ -83,7 +83,7 @@ dependencies {
     implementation("software.amazon.smithy.dafny:conversion:${smithyDafnyJavaConversionVersion}")
     implementation("software.amazon.cryptography:aws-cryptographic-material-providers:${mplVersion}")
 
-    implementation(platform("software.amazon.awssdk:bom:2.20.128"))
+    implementation(platform("software.amazon.awssdk:bom:2.21.11"))
     implementation("software.amazon.awssdk:dynamodb")
     implementation("software.amazon.awssdk:dynamodb-enhanced")
     implementation("software.amazon.awssdk:kms")