diff --git a/services/comprehendmedical/pom.xml b/services/comprehendmedical/pom.xml
index 25b8011ff94..ad94a2c3c1a 100644
--- a/services/comprehendmedical/pom.xml
+++ b/services/comprehendmedical/pom.xml
@@ -56,6 +56,11 @@
             <artifactId>aws-json-protocol</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>
diff --git a/services/computeoptimizer/pom.xml b/services/computeoptimizer/pom.xml
index 58b80f643a4..339da8383a9 100644
--- a/services/computeoptimizer/pom.xml
+++ b/services/computeoptimizer/pom.xml
@@ -56,6 +56,11 @@
             <artifactId>aws-json-protocol</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>
diff --git a/services/computeoptimizerautomation/pom.xml b/services/computeoptimizerautomation/pom.xml
index da88956a129..36170a840b5 100644
--- a/services/computeoptimizerautomation/pom.xml
+++ b/services/computeoptimizerautomation/pom.xml
@@ -51,6 +51,11 @@
             <artifactId>aws-json-protocol</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>
diff --git a/services/gamelift/pom.xml b/services/gamelift/pom.xml
index 37454ba33b9..4a902561de5 100644
--- a/services/gamelift/pom.xml
+++ b/services/gamelift/pom.xml
@@ -56,6 +56,11 @@
             <artifactId>protocol-core</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>
diff --git a/services/marketplaceentitlement/pom.xml b/services/marketplaceentitlement/pom.xml
index c8bcb85cdbf..4837ce2dad4 100644
--- a/services/marketplaceentitlement/pom.xml
+++ b/services/marketplaceentitlement/pom.xml
@@ -57,6 +57,11 @@
             <artifactId>protocol-core</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>
diff --git a/services/snowball/pom.xml b/services/snowball/pom.xml
index c74e02d5e3e..a0786ba433d 100644
--- a/services/snowball/pom.xml
+++ b/services/snowball/pom.xml
@@ -56,6 +56,11 @@
             <artifactId>protocol-core</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>smithy-rpcv2-protocol</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>http-auth-aws</artifactId>