diff --git a/Chickensoft.GoDotTest/Chickensoft.GoDotTest.csproj b/Chickensoft.GoDotTest/Chickensoft.GoDotTest.csproj
index 4dbce53..e1b09b5 100644
--- a/Chickensoft.GoDotTest/Chickensoft.GoDotTest.csproj
+++ b/Chickensoft.GoDotTest/Chickensoft.GoDotTest.csproj
@@ -39,9 +39,9 @@
 
   <ItemGroup>
     <!-- Dependencies go here. -->
-    <PackageReference Include="GodotSharp" Version="4.2.0" />
+    <PackageReference Include="GodotSharp" Version="4.2.1-rc.1" />
     <PackageReference Include="Chickensoft.GoDotCollections" Version="1.4.0" />
-    <PackageReference Include="Chickensoft.GoDotLog" Version="1.1.15" />
+    <PackageReference Include="Chickensoft.GoDotLog" Version="1.1.16-godot4.2.1-rc.1" />
     <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
 
     <!-- Required for inheritdoc -->
diff --git a/global.json b/global.json
index f5f65cf..23bff1e 100644
--- a/global.json
+++ b/global.json
@@ -4,6 +4,6 @@
     "rollForward": "latestMinor"
   },
   "msbuild-sdks": {
-    "Godot.NET.Sdk": "4.2.0"
+    "Godot.NET.Sdk": "4.2.1-rc.1"
   }
 }