diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6e8db4..dc7f7e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,8 @@
   - `lt.closed.not`: ⋪
 
 - Miscellaneous technical
+  - `zero`: 0
+  - `zero.slashed`: 0︀
   - `bowtie.stroked`: ⋈
   - `bowtie.stroked.big`: ⨝
   - `bowtie.stroked.big.l`: ⟕
diff --git a/src/modules/sym.txt b/src/modules/sym.txt
index 439ccf1..9a8b8be 100644
--- a/src/modules/sym.txt
+++ b/src/modules/sym.txt
@@ -1118,6 +1118,9 @@ tack
   .b.short ⫟
   .l.r ⟛
 
+zero 0\vs{text}
+  .slashed 0\vs{1}
+
 // Lowercase Greek.
 alpha α
 beta β