diff --git a/js/lib/highlight.js b/js/lib/highlight.js
index d06baa4..0a72849 100644
--- a/js/lib/highlight.js
+++ b/js/lib/highlight.js
@@ -672,7 +672,7 @@ https://highlightjs.org/
   hljs.IDENT_RE = '[a-zA-Z]\\w*';
   hljs.UNDERSCORE_IDENT_RE = '[a-zA-Z_]\\w*';
   hljs.NUMBER_RE = '\\b\\d+(\\.\\d+)?';
-  hljs.C_NUMBER_RE = '\\b(0[xX][a-fA-F0-9]+|(\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)'; // 0x..., 0..., decimal, float
+  hljs.C_NUMBER_RE = '\\b(0[bB][01]+|0[xX][a-fA-F0-9]+|(\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)'; // 0b..., 0x..., 0..., decimal, float
   hljs.BINARY_NUMBER_RE = '\\b(0b[01]+)'; // 0b...
   hljs.RE_STARTERS_RE = '!|!=|!==|%|%=|&|&&|&=|\\*|\\*=|\\+|\\+=|,|-|-=|/=|/|:|;|<<|<<=|<=|<|===|==|=|>>>=|>>=|>=|>>>|>>|>|\\?|\\[|\\{|\\(|\\^|\\^=|\\||\\|=|\\|\\||~';