diff --git a/README.md b/README.md
index 86c7c47..65722b6 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,11 @@ Hosts the following mods:
  * [Corner Ambient Occlusion Fix] v0.1.0 – v0.1.2
  * [Cosmic Light Bleed Fix] v0.1.0 and v0.1.1
  * [Cosmic Player Deceleration] v0.1.0
+ * [HgSkys] v0.1.7
  * [Simply Cosmic Shading] v0.1.0 – v0.1.3
 
 [Corner Ambient Occlusion Fix]: https://github.com/StartsMercury/corner-ambient-occlusion-fix
 [Cosmic Light Bleed Fix]: https://github.com/StartsMercury/cosmic-light-bleed-fix
 [Cosmic player Deceleration]: https://github.com/StartsMercury/cosmic-player-deceleration
+[HgSkys]: https://github.com/StartsMercury/HgSkys/tree/builds
 [Simply Cosmic Shading]: https://github.com/StartsMercury/simply-cosmic-shading
diff --git a/repository.hjson b/repository.hjson
index 3a294d4..0b17845 100644
--- a/repository.hjson
+++ b/repository.hjson
@@ -6,6 +6,20 @@
     rootId: io.github.startsmercury
 
     mods: [
+        {
+            id: io.github.startsmercury.hgskys
+            name: HgSKys
+            desc: Hydrargyrum Skys (HgSkys) is a fork of UltraSkys
+            authors: [
+                0x251,
+                StartsMercury
+            ]
+            version: 0.1.7
+            gameVersion: "[0.1.50]"
+            url: https://github.com/StartsMercury/UltraSkys/releases/download/0.1.7%2Bcr0.1.50/hgskys-0.1.7+cr0.1.50.jar
+            deps: []
+            ext: {}
+        },
         {
             id: io.github.startsmercury.simply-cosmic-shading
             name: Simply Cosmic Shading