diff --git a/CHANGELOG.md b/CHANGELOG.md
index 474f441..a279faa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- Enable compiler optimization for the `sprintf` function.
+
 ## 2.3.1
 
 ### Changed
diff --git a/src/Input/ChangeResourceRecordSetsRequest.php b/src/Input/ChangeResourceRecordSetsRequest.php
index 92baa2a..c1bb30d 100644
--- a/src/Input/ChangeResourceRecordSetsRequest.php
+++ b/src/Input/ChangeResourceRecordSetsRequest.php
@@ -82,7 +82,7 @@ public function request(): Request
         // Prepare URI
         $uri = [];
         if (null === $v = $this->hostedZoneId) {
-            throw new InvalidArgument(sprintf('Missing parameter "HostedZoneId" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "HostedZoneId" for "%s". The value cannot be null.', __CLASS__));
         }
         $v = preg_replace('#^(/hostedzone/|/change/|/delegationset/)#', '', $v);
         $uri['Id'] = $v;
@@ -118,7 +118,7 @@ public function setHostedZoneId(?string $value): self
     private function requestBody(\DOMNode $node, \DOMDocument $document): void
     {
         if (null === $v = $this->changeBatch) {
-            throw new InvalidArgument(sprintf('Missing parameter "ChangeBatch" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "ChangeBatch" for "%s". The value cannot be null.', __CLASS__));
         }
 
         $node->appendChild($child = $document->createElement('ChangeBatch'));
diff --git a/src/Input/CreateHostedZoneRequest.php b/src/Input/CreateHostedZoneRequest.php
index 8517a3f..47ca1ca 100644
--- a/src/Input/CreateHostedZoneRequest.php
+++ b/src/Input/CreateHostedZoneRequest.php
@@ -209,7 +209,7 @@ public function setVpc(?VPC $value): self
     private function requestBody(\DOMNode $node, \DOMDocument $document): void
     {
         if (null === $v = $this->name) {
-            throw new InvalidArgument(sprintf('Missing parameter "Name" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "Name" for "%s". The value cannot be null.', __CLASS__));
         }
         $node->appendChild($document->createElement('Name', $v));
         if (null !== $v = $this->vpc) {
@@ -218,7 +218,7 @@ private function requestBody(\DOMNode $node, \DOMDocument $document): void
             $v->requestBody($child, $document);
         }
         if (null === $v = $this->callerReference) {
-            throw new InvalidArgument(sprintf('Missing parameter "CallerReference" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "CallerReference" for "%s". The value cannot be null.', __CLASS__));
         }
         $node->appendChild($document->createElement('CallerReference', $v));
         if (null !== $v = $this->hostedZoneConfig) {
diff --git a/src/Input/DeleteHostedZoneRequest.php b/src/Input/DeleteHostedZoneRequest.php
index 2c22714..331996c 100644
--- a/src/Input/DeleteHostedZoneRequest.php
+++ b/src/Input/DeleteHostedZoneRequest.php
@@ -63,7 +63,7 @@ public function request(): Request
         // Prepare URI
         $uri = [];
         if (null === $v = $this->id) {
-            throw new InvalidArgument(sprintf('Missing parameter "Id" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "Id" for "%s". The value cannot be null.', __CLASS__));
         }
         $v = preg_replace('#^(/hostedzone/|/change/|/delegationset/)#', '', $v);
         $uri['Id'] = $v;
diff --git a/src/Input/GetChangeRequest.php b/src/Input/GetChangeRequest.php
index b525957..bd6c8e8 100644
--- a/src/Input/GetChangeRequest.php
+++ b/src/Input/GetChangeRequest.php
@@ -64,7 +64,7 @@ public function request(): Request
         // Prepare URI
         $uri = [];
         if (null === $v = $this->id) {
-            throw new InvalidArgument(sprintf('Missing parameter "Id" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "Id" for "%s". The value cannot be null.', __CLASS__));
         }
         $v = preg_replace('#^(/hostedzone/|/change/|/delegationset/)#', '', $v);
         $uri['Id'] = $v;
diff --git a/src/Input/ListHostedZonesRequest.php b/src/Input/ListHostedZonesRequest.php
index 017ef5d..789f2e6 100644
--- a/src/Input/ListHostedZonesRequest.php
+++ b/src/Input/ListHostedZonesRequest.php
@@ -127,7 +127,7 @@ public function request(): Request
         }
         if (null !== $this->hostedZoneType) {
             if (!HostedZoneType::exists($this->hostedZoneType)) {
-                throw new InvalidArgument(sprintf('Invalid parameter "HostedZoneType" for "%s". The value "%s" is not a valid "HostedZoneType".', __CLASS__, $this->hostedZoneType));
+                throw new InvalidArgument(\sprintf('Invalid parameter "HostedZoneType" for "%s". The value "%s" is not a valid "HostedZoneType".', __CLASS__, $this->hostedZoneType));
             }
             $query['hostedzonetype'] = $this->hostedZoneType;
         }
diff --git a/src/Input/ListResourceRecordSetsRequest.php b/src/Input/ListResourceRecordSetsRequest.php
index efc6749..2845dd9 100644
--- a/src/Input/ListResourceRecordSetsRequest.php
+++ b/src/Input/ListResourceRecordSetsRequest.php
@@ -153,7 +153,7 @@ public function request(): Request
         }
         if (null !== $this->startRecordType) {
             if (!RRType::exists($this->startRecordType)) {
-                throw new InvalidArgument(sprintf('Invalid parameter "StartRecordType" for "%s". The value "%s" is not a valid "RRType".', __CLASS__, $this->startRecordType));
+                throw new InvalidArgument(\sprintf('Invalid parameter "StartRecordType" for "%s". The value "%s" is not a valid "RRType".', __CLASS__, $this->startRecordType));
             }
             $query['type'] = $this->startRecordType;
         }
@@ -167,7 +167,7 @@ public function request(): Request
         // Prepare URI
         $uri = [];
         if (null === $v = $this->hostedZoneId) {
-            throw new InvalidArgument(sprintf('Missing parameter "HostedZoneId" for "%s". The value cannot be null.', __CLASS__));
+            throw new InvalidArgument(\sprintf('Missing parameter "HostedZoneId" for "%s". The value cannot be null.', __CLASS__));
         }
         $v = preg_replace('#^(/hostedzone/|/change/|/delegationset/)#', '', $v);
         $uri['Id'] = $v;
diff --git a/src/ValueObject/Change.php b/src/ValueObject/Change.php
index 09e1e19..eca5ab9 100644
--- a/src/ValueObject/Change.php
+++ b/src/ValueObject/Change.php
@@ -80,7 +80,7 @@ public function requestBody(\DOMElement $node, \DOMDocument $document): void
     {
         $v = $this->action;
         if (!ChangeAction::exists($v)) {
-            throw new InvalidArgument(sprintf('Invalid parameter "Action" for "%s". The value "%s" is not a valid "ChangeAction".', __CLASS__, $v));
+            throw new InvalidArgument(\sprintf('Invalid parameter "Action" for "%s". The value "%s" is not a valid "ChangeAction".', __CLASS__, $v));
         }
         $node->appendChild($document->createElement('Action', $v));
         $v = $this->resourceRecordSet;
diff --git a/src/ValueObject/ResourceRecordSet.php b/src/ValueObject/ResourceRecordSet.php
index 6751d60..b209920 100644
--- a/src/ValueObject/ResourceRecordSet.php
+++ b/src/ValueObject/ResourceRecordSet.php
@@ -567,7 +567,7 @@ public function requestBody(\DOMElement $node, \DOMDocument $document): void
         $node->appendChild($document->createElement('Name', $v));
         $v = $this->type;
         if (!RRType::exists($v)) {
-            throw new InvalidArgument(sprintf('Invalid parameter "Type" for "%s". The value "%s" is not a valid "RRType".', __CLASS__, $v));
+            throw new InvalidArgument(\sprintf('Invalid parameter "Type" for "%s". The value "%s" is not a valid "RRType".', __CLASS__, $v));
         }
         $node->appendChild($document->createElement('Type', $v));
         if (null !== $v = $this->setIdentifier) {
@@ -578,7 +578,7 @@ public function requestBody(\DOMElement $node, \DOMDocument $document): void
         }
         if (null !== $v = $this->region) {
             if (!ResourceRecordSetRegion::exists($v)) {
-                throw new InvalidArgument(sprintf('Invalid parameter "Region" for "%s". The value "%s" is not a valid "ResourceRecordSetRegion".', __CLASS__, $v));
+                throw new InvalidArgument(\sprintf('Invalid parameter "Region" for "%s". The value "%s" is not a valid "ResourceRecordSetRegion".', __CLASS__, $v));
             }
             $node->appendChild($document->createElement('Region', $v));
         }
@@ -589,7 +589,7 @@ public function requestBody(\DOMElement $node, \DOMDocument $document): void
         }
         if (null !== $v = $this->failover) {
             if (!ResourceRecordSetFailover::exists($v)) {
-                throw new InvalidArgument(sprintf('Invalid parameter "Failover" for "%s". The value "%s" is not a valid "ResourceRecordSetFailover".', __CLASS__, $v));
+                throw new InvalidArgument(\sprintf('Invalid parameter "Failover" for "%s". The value "%s" is not a valid "ResourceRecordSetFailover".', __CLASS__, $v));
             }
             $node->appendChild($document->createElement('Failover', $v));
         }
diff --git a/src/ValueObject/VPC.php b/src/ValueObject/VPC.php
index cf77e03..e45891a 100644
--- a/src/ValueObject/VPC.php
+++ b/src/ValueObject/VPC.php
@@ -70,7 +70,7 @@ public function requestBody(\DOMElement $node, \DOMDocument $document): void
     {
         if (null !== $v = $this->vpcRegion) {
             if (!VPCRegion::exists($v)) {
-                throw new InvalidArgument(sprintf('Invalid parameter "VPCRegion" for "%s". The value "%s" is not a valid "VPCRegion".', __CLASS__, $v));
+                throw new InvalidArgument(\sprintf('Invalid parameter "VPCRegion" for "%s". The value "%s" is not a valid "VPCRegion".', __CLASS__, $v));
             }
             $node->appendChild($document->createElement('VPCRegion', $v));
         }