diff --git a/SUMMARY.md b/SUMMARY.md
index 4e00896d..a3d72408 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -27,6 +27,7 @@
   * [Env Variable Operators](operators/env-variable-operators.md)
   * [Equals](operators/equals.md)
   * [File Operators](operators/file-operators.md)
+  * [Group By](operators/group-by.md)
   * [Has](operators/has.md)
   * [Keys](operators/keys.md)
   * [Length](operators/length.md)