diff --git a/more/free-programming-playgrounds.md b/more/free-programming-playgrounds.md
index 63bf31d57..71a2d1f91 100644
--- a/more/free-programming-playgrounds.md
+++ b/more/free-programming-playgrounds.md
@@ -39,6 +39,7 @@
 * [R](#r)
 * [React](#react)
 * [Redis](#redis)
+* [Rego](#rego)
 * [Regular Expressions](#regular-expressions)
 * [Ruby](#ruby)
 * [Rust](#rust)
@@ -365,6 +366,11 @@
 * [Try Redis](https://try.redis.io)
 
 
+### Rego
+
+* [Rego Playground](https://play.openpolicyagent.org) - Open Policy Agent
+
+
 ### Regular Expressions
 
 * [iHateRegex: regex for playground](https://ihateregex.io/playground) - Geon George