diff --git a/include/kami/kami.h b/include/kami/kami.h
index 31b6af6..431d387 100644
--- a/include/kami/kami.h
+++ b/include/kami/kami.h
@@ -79,7 +79,7 @@ namespace kami {
         /**
          * @brief $(7^(\e - 1/\e) - 9)*\pi^2$
          */
-        static constexpr auto JENNYS_CONSTANT = 867.530901989;
+        static constexpr auto JENNYS_CONSTANT = 867.530901981;
     };
 
 }  // namespace kami