diff --git a/src/Actions/ValidateAction.php b/src/Actions/ValidateAction.php
index 4d5871a..fd366d5 100644
--- a/src/Actions/ValidateAction.php
+++ b/src/Actions/ValidateAction.php
@@ -15,9 +15,10 @@ public function __construct(
 
     public function execute(array $rules, mixed $value, string $key): void
     {
+        $valueForLog = (is_string($value) || is_numeric($value)) ? (string) $value : null;
         foreach ($rules as $rule) {
             if ($rule->passes($value) === false) {
-                throw $this->exceptionBuilder->validationFailed($key, $rule::class);
+                throw $this->exceptionBuilder->validationFailed($key, $rule::class, $valueForLog);
             }
         }
     }
diff --git a/src/Builders/ExceptionBuilder.php b/src/Builders/ExceptionBuilder.php
index c6c4d9f..fb9b552 100644
--- a/src/Builders/ExceptionBuilder.php
+++ b/src/Builders/ExceptionBuilder.php
@@ -29,12 +29,13 @@ public function notAnArray(string $key): Exception
         return new NotSupportedDataException($key);
     }
 
-    public function validationFailed(string $key, string $ruleClassName): Exception
+    public function validationFailed(string $key, string $ruleClassName, ?string $value): Exception
     {
         $classNameParts = explode('\\', $ruleClassName);
         $shortClassName = end($classNameParts);
 
-        return new ValidationFailedException($key, $shortClassName . ' failed');
+        $valueMessage = $value === null ? '' : (' with value ' . $value);
+        return new ValidationFailedException($key, $shortClassName . ' failed' . $valueMessage);
     }
 
     public function notXML(string $key): Exception
diff --git a/src/Contracts/ExceptionBuilderContract.php b/src/Contracts/ExceptionBuilderContract.php
index 4c25a9c..abd9925 100644
--- a/src/Contracts/ExceptionBuilderContract.php
+++ b/src/Contracts/ExceptionBuilderContract.php
@@ -17,7 +17,7 @@ public function notAnArray(string $key): Exception;
     /**
      * @param class-string<RuleContract> $ruleClassName
      */
-    public function validationFailed(string $key, string $ruleClassName): Exception;
+    public function validationFailed(string $key, string $ruleClassName, ?string $value): Exception;
 
     public function notXML(string $key): Exception;
 }
diff --git a/tests/Builders/CustomExceptionBuilder.php b/tests/Builders/CustomExceptionBuilder.php
index 59d7df6..49e5bd2 100644
--- a/tests/Builders/CustomExceptionBuilder.php
+++ b/tests/Builders/CustomExceptionBuilder.php
@@ -24,7 +24,7 @@ public function notAnArray(string $key): Exception
         return new Exception('notAnArray: ' . $key);
     }
 
-    public function validationFailed(string $key, string $ruleClassName): Exception
+    public function validationFailed(string $key, string $ruleClassName, ?string $value): Exception
     {
         return new Exception('validationFailed: ' . $key . ' ' . $ruleClassName);
     }