1 files changed, 2 insertions, 0 deletions
diff --git a/crates/shirabe-php-rpc/php/runtime/Shirabe/MaterializedValue.php b/crates/shirabe-php-rpc/php/runtime/Shirabe/MaterializedValue.php
index c16b4e18..73a12033 100644
--- a/crates/shirabe-php-rpc/php/runtime/Shirabe/MaterializedValue.php
+++ b/crates/shirabe-php-rpc/php/runtime/Shirabe/MaterializedValue.php
@@ -17,6 +17,7 @@ use Composer\Semver\Constraint\Constraint;
 use Composer\Semver\Constraint\MatchAllConstraint;
 use Composer\Semver\Constraint\MatchNoneConstraint;
 use Composer\Semver\Constraint\MultiConstraint;
+use Composer\Util\Http\Response;
 
 final class MaterializedValue
 {
@@ -26,6 +27,7 @@ final class MaterializedValue
         MultiConstraint::class,
         MatchAllConstraint::class,
         MatchNoneConstraint::class,
+        Response::class,
         \DateTimeImmutable::class,
         \DateTime::class,
     ];