diff --git a/packages/calcite-design-tokens/.prettierignore b/packages/calcite-design-tokens/.prettierignore
new file mode 100644
index 00000000000..446a2b79c09
--- /dev/null
+++ b/packages/calcite-design-tokens/.prettierignore
@@ -0,0 +1,2 @@
+# source tokens are managed by the Tokens Studio plugin, which syncs directly to GitHub
+src/tokens/**/*.json