diff --git a/src/lib.rs b/src/lib.rs
index 9be0fdc..5543faf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -124,7 +124,7 @@ mod private {
     }
 }
 
-static DEC_DIGITS_LUT: [u8; 200] = *b"\
+const DEC_DIGITS_LUT: [u8; 200] = *b"\
       0001020304050607080910111213141516171819\
       2021222324252627282930313233343536373839\
       4041424344454647484950515253545556575859\