diff --git a/.changeset/cold-eyes-rescue.md b/.changeset/cold-eyes-rescue.md
new file mode 100644
index 000000000..399a86a6d
--- /dev/null
+++ b/.changeset/cold-eyes-rescue.md
@@ -0,0 +1,5 @@
+---
+"@vanilla-extract/css": minor
+---
+
+Add `::-webkit-calendar-picker-indicator` as a valid pseudo-element
diff --git a/packages/css/src/simplePseudos.ts b/packages/css/src/simplePseudos.ts
index 14fc0f467..498cafa7e 100644
--- a/packages/css/src/simplePseudos.ts
+++ b/packages/css/src/simplePseudos.ts
@@ -35,6 +35,7 @@ const simplePseudoMap = {
   '::-ms-track': true,
   '::-ms-value': true,
   '::-webkit-backdrop': true,
+  '::-webkit-calendar-picker-indicator': true,
   '::-webkit-inner-spin-button': true,
   '::-webkit-input-placeholder': true,
   '::-webkit-meter-bar': true,