diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/AtlasUtilities.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/AtlasUtilities.cs
index 1587ff414..0e9a6366f 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/AtlasUtilities.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/AtlasUtilities.cs
@@ -743,7 +743,7 @@ namespace Spine.Unity.AttachmentTools {
 				// at a 270 degree region, u2/v2 deltas and atlas width/height are swapped, and delta-v is negative.
 				float du = uvRect.width; // u2 - u;
 				float dv = uvRect.height; // v - v2;
-				float atlasAspectRatio = page.width / page.height;
+				float atlasAspectRatio = (float)page.width / (float)page.height;
 				u2 = u + (dv / atlasAspectRatio);
 				v2 = v - (du * atlasAspectRatio);
 			}
diff --git a/spine-unity/Assets/Spine/package.json b/spine-unity/Assets/Spine/package.json
index 4a4956a2b..bc10d3828 100644
--- a/spine-unity/Assets/Spine/package.json
+++ b/spine-unity/Assets/Spine/package.json
@@ -2,7 +2,7 @@
 	"name": "com.esotericsoftware.spine.spine-unity",
 	"displayName": "spine-unity Runtime",
 	"description": "This plugin provides the spine-unity runtime core.",
-	"version": "4.1.35",
+	"version": "4.1.36",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",