diff --git a/.changeset/nasty-rice-wonder.md b/.changeset/nasty-rice-wonder.md
new file mode 100644
index 000000000..c89267022
--- /dev/null
+++ b/.changeset/nasty-rice-wonder.md
@@ -0,0 +1,5 @@
+---
+'@emotion/unitless': minor
+---
+
+Add `scale` property as unitless
diff --git a/packages/unitless/src/index.ts b/packages/unitless/src/index.ts
index 478252a6b..7302dc131 100644
--- a/packages/unitless/src/index.ts
+++ b/packages/unitless/src/index.ts
@@ -32,6 +32,7 @@ let unitlessKeys: Record<string, 1> = {
   opacity: 1,
   order: 1,
   orphans: 1,
+  scale: 1,
   tabSize: 1,
   widows: 1,
   zIndex: 1,