diff --git a/constraint/src/main/java/io/smallrye/common/constraint/Assert.java b/constraint/src/main/java/io/smallrye/common/constraint/Assert.java
index 0abb2b80..17a1c152 100644
--- a/constraint/src/main/java/io/smallrye/common/constraint/Assert.java
+++ b/constraint/src/main/java/io/smallrye/common/constraint/Assert.java
@@ -285,6 +285,20 @@ public static void checkMinimumParameter(String name, int min, int actual) throw
             throw Messages.log.paramLessThan(name, min);
     }
 
+    /**
+     * Check that the named parameter is greater than or equal to {@code min} using unsigned comparison.
+     *
+     * @param name the parameter name
+     * @param min the minimum value
+     * @param actual the actual parameter value
+     * @throws IllegalArgumentException if the actual value is less than the minimum value
+     */
+    public static void checkMinimumParameterUnsigned(String name, int min, int actual) throws IllegalArgumentException {
+        checkNotNullParamChecked("name", name);
+        if (Integer.compareUnsigned(actual, min) < 0)
+            throw Messages.log.paramLessThan(name, Integer.toUnsignedLong(min));
+    }
+
     /**
      * Check that the named parameter is greater than or equal to {@code min}.
      *
@@ -299,6 +313,20 @@ public static void checkMinimumParameter(String name, long min, long actual) thr
             throw Messages.log.paramLessThan(name, min);
     }
 
+    /**
+     * Check that the named parameter is greater than or equal to {@code min} using unsigned comparison.
+     *
+     * @param name the parameter name
+     * @param min the minimum value
+     * @param actual the actual parameter value
+     * @throws IllegalArgumentException if the actual value is less than the minimum value
+     */
+    public static void checkMinimumParameterUnsigned(String name, long min, long actual) throws IllegalArgumentException {
+        checkNotNullParamChecked("name", name);
+        if (Long.compareUnsigned(actual, min) < 0)
+            throw Messages.log.paramLessThan(name, Long.toUnsignedString(min));
+    }
+
     /**
      * Check that the named parameter is greater than or equal to {@code min}.
      *
@@ -357,6 +385,20 @@ public static void checkMaximumParameter(String name, int max, int actual) throw
             throw Messages.log.paramGreaterThan(name, max);
     }
 
+    /**
+     * Check that the named parameter is less than or equal to {@code max} using unsigned comparison.
+     *
+     * @param name the parameter name
+     * @param max the maximum value
+     * @param actual the actual parameter value
+     * @throws IllegalArgumentException if the actual value is greater than the maximum value
+     */
+    public static void checkMaximumParameterUnsigned(String name, int max, int actual) throws IllegalArgumentException {
+        checkNotNullParamChecked("name", name);
+        if (Integer.compareUnsigned(actual, max) > 0)
+            throw Messages.log.paramGreaterThan(name, Integer.toUnsignedLong(max));
+    }
+
     /**
      * Check that the named parameter is less than or equal to {@code max}.
      *
@@ -371,6 +413,20 @@ public static void checkMaximumParameter(String name, long max, long actual) thr
             throw Messages.log.paramGreaterThan(name, max);
     }
 
+    /**
+     * Check that the named parameter is less than or equal to {@code max} using unsigned comparison.
+     *
+     * @param name the parameter name
+     * @param max the maximum value
+     * @param actual the actual parameter value
+     * @throws IllegalArgumentException if the actual value is greater than the maximum value
+     */
+    public static void checkMaximumParameterUnsigned(String name, long max, long actual) throws IllegalArgumentException {
+        checkNotNullParamChecked("name", name);
+        if (Long.compareUnsigned(actual, max) > 0)
+            throw Messages.log.paramGreaterThan(name, Long.toUnsignedString(max));
+    }
+
     /**
      * Check that the named parameter is less than or equal to {@code max}.
      *
diff --git a/constraint/src/main/java/io/smallrye/common/constraint/Messages.java b/constraint/src/main/java/io/smallrye/common/constraint/Messages.java
index 76fa875e..b5adeda3 100644
--- a/constraint/src/main/java/io/smallrye/common/constraint/Messages.java
+++ b/constraint/src/main/java/io/smallrye/common/constraint/Messages.java
@@ -10,14 +10,14 @@ interface Messages {
     @Message(id = 0, value = "Parameter '%s' may not be null")
     IllegalArgumentException nullParam(String paramName);
 
-    @Message(id = 1, value = "Parameter '%s' may not be less than %d")
+    @Message(id = 1, value = "Parameter '%s' may not be less than %s")
     IllegalArgumentException paramLessThan(String name, long min);
 
     IllegalArgumentException paramLessThan(String name, double min);
 
     IllegalArgumentException paramLessThan(String name, Object min);
 
-    @Message(id = 2, value = "Parameter '%s' may not be greater than than %d")
+    @Message(id = 2, value = "Parameter '%s' may not be greater than than %s")
     IllegalArgumentException paramGreaterThan(String name, long max);
 
     IllegalArgumentException paramGreaterThan(String name, double max);