diff --git a/osu.Game.Rulesets.Rush/Beatmaps/RushBeatmapConverter.cs b/osu.Game.Rulesets.Rush/Beatmaps/RushBeatmapConverter.cs
index 3c244f2..6e2daa3 100644
--- a/osu.Game.Rulesets.Rush/Beatmaps/RushBeatmapConverter.cs
+++ b/osu.Game.Rulesets.Rush/Beatmaps/RushBeatmapConverter.cs
@@ -49,7 +49,7 @@ protected override IEnumerable<RushHitObject> ConvertHitObject(HitObject origina
                     bothLanes = true;
             }
 
-            if (original is IHasEndTime hasEndTime)
+            if (original is IHasDuration hasEndTime)
             {
                 // etna sliders don't convert well, so just make them regular minions
                 if (hasEndTime.Duration <= etna_cutoff)
diff --git a/osu.Game.Rulesets.Rush/Objects/MiniBoss.cs b/osu.Game.Rulesets.Rush/Objects/MiniBoss.cs
index 19d347a..b6ae2c1 100644
--- a/osu.Game.Rulesets.Rush/Objects/MiniBoss.cs
+++ b/osu.Game.Rulesets.Rush/Objects/MiniBoss.cs
@@ -8,7 +8,7 @@
 
 namespace osu.Game.Rulesets.Rush.Objects
 {
-    public class MiniBoss : RushHitObject, IHasEndTime
+    public class MiniBoss : RushHitObject, IHasDuration
     {
         public static readonly int DEFAULT_REQUIRED_HITS = 5;
 
diff --git a/osu.Game.Rulesets.Rush/Objects/NoteSheet.cs b/osu.Game.Rulesets.Rush/Objects/NoteSheet.cs
index 8115cee..8c26e68 100644
--- a/osu.Game.Rulesets.Rush/Objects/NoteSheet.cs
+++ b/osu.Game.Rulesets.Rush/Objects/NoteSheet.cs
@@ -7,7 +7,7 @@
 
 namespace osu.Game.Rulesets.Rush.Objects
 {
-    public class NoteSheet : LanedHit, IHasEndTime
+    public class NoteSheet : LanedHit, IHasDuration
     {
         public double EndTime
         {
diff --git a/osu.Game.Rulesets.Rush/Objects/NoteSheetBody.cs b/osu.Game.Rulesets.Rush/Objects/NoteSheetBody.cs
index 83c7d58..65dbb8e 100644
--- a/osu.Game.Rulesets.Rush/Objects/NoteSheetBody.cs
+++ b/osu.Game.Rulesets.Rush/Objects/NoteSheetBody.cs
@@ -5,7 +5,7 @@
 
 namespace osu.Game.Rulesets.Rush.Objects
 {
-    public class NoteSheetBody : LanedHit, IHasEndTime
+    public class NoteSheetBody : LanedHit, IHasDuration
     {
         public double EndTime
         {
diff --git a/osu.Game.Rulesets.Rush/osu.Game.Rulesets.Rush.csproj b/osu.Game.Rulesets.Rush/osu.Game.Rulesets.Rush.csproj
index 69c42c5..9ef14ec 100644
--- a/osu.Game.Rulesets.Rush/osu.Game.Rulesets.Rush.csproj
+++ b/osu.Game.Rulesets.Rush/osu.Game.Rulesets.Rush.csproj
@@ -10,6 +10,6 @@
     <EmbeddedResource Include="Resources\**" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Game" Version="2020.523.0" />
+    <PackageReference Include="ppy.osu.Game" Version="2020.602.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file