diff --git a/CHANGELOG.md b/CHANGELOG.md
index a460c41..f464637 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@
 
 ### New in `sym`
 
+- Punctuation
+  - `underscore`: _
+
 - Mathematical symbols
   - `emptyset.zero`: ∅︀
   - `nothing.zero`: ∅︀
diff --git a/src/modules/sym.txt b/src/modules/sym.txt
index f800e7a..7b9b425 100644
--- a/src/modules/sym.txt
+++ b/src/modules/sym.txt
@@ -144,6 +144,7 @@ dash
   .o ⊝
   .wave 〜
   .wave.double 〰\vs{text}
+underscore _
 dot
   .op ⋅
   .basic \u{2E}