diff --git a/layers/themes-megapack/packages.el b/layers/themes-megapack/packages.el
index a4993f37d..6e343b25e 100644
--- a/layers/themes-megapack/packages.el
+++ b/layers/themes-megapack/packages.el
@@ -66,6 +66,7 @@
     noctilux-theme
     obsidian-theme
     occidental-theme
+    omtose-phellack-theme
     oldlace-theme
     organic-green-theme
     pastels-on-dark-theme