diff --git a/include/random.hpp b/include/random.hpp
index d11c249..0e63391 100644
--- a/include/random.hpp
+++ b/include/random.hpp
@@ -20,11 +20,11 @@
         return index;
     }
 
-    uint8_t max()
+    static constexpr uint8_t max()
     {
         return std::numeric_limits<uint8_t>::max();
     }
-    uint8_t min()
+    static constexpr uint8_t min()
     {
         return std::numeric_limits<uint8_t>::min();
     }