diff --git a/data/category-dev b/data/category-dev
index 74cb0868..bfeeb687 100644
--- a/data/category-dev
+++ b/data/category-dev
@@ -118,6 +118,7 @@ postgresql.org
 r-project.org
 raspberrypi.org
 raspbian.org
+regex101.com
 rpmfusion.org
 scientificlinux.org
 scoop.sh