diff --git a/extension/src/main/java/dev/resteasy/junit/extension/annotations/RestClientConfig.java b/extension/src/main/java/dev/resteasy/junit/extension/annotations/RestClientConfig.java
index 8541222..fa7c580 100644
--- a/extension/src/main/java/dev/resteasy/junit/extension/annotations/RestClientConfig.java
+++ b/extension/src/main/java/dev/resteasy/junit/extension/annotations/RestClientConfig.java
@@ -26,7 +26,7 @@
  */
 @Inherited
 @Documented
-@Target(ElementType.FIELD)
+@Target({ ElementType.FIELD, ElementType.PARAMETER })
 @Retention(RetentionPolicy.RUNTIME)
 public @interface RestClientConfig {