diff --git a/src/components/markdown/plugins/emoji.tsx b/src/components/markdown/plugins/emoji.tsx
index 9993189d..f1189502 100644
--- a/src/components/markdown/plugins/emoji.tsx
+++ b/src/components/markdown/plugins/emoji.tsx
@@ -25,7 +25,7 @@ const Emoji = styled.img`
     }
 `;
 
-const RE_EMOJI = /:([a-zA-Z0-9_+]+):/g;
+const RE_EMOJI = /:([a-zA-Z0-9\-_]+):/g;
 const RE_ULID = /^[0123456789ABCDEFGHJKMNPQRSTVWXYZ]{26}$/;
 
 export function RenderEmoji({ match }: CustomComponentProps) {