diff --git a/DataSerialization.uplugin b/DataSerialization.uplugin
index 1433fed..7425f7b 100644
--- a/DataSerialization.uplugin
+++ b/DataSerialization.uplugin
@@ -10,7 +10,7 @@
   "DocsURL": "",
   "MarketplaceURL": "com.epicgames.launcher://ue/marketplace/product/51bfff9f8bc34c3d8072b31455965276",
   "SupportURL": "https://discord.gg/5hFrK2D",
-  "EngineVersion": "4.26.0",
+  "EngineVersion": "4.24.0",
   "CanContainContent": false,
   "IsBetaVersion": false,
   "IsExperimentalVersion": false,
diff --git a/build.bat b/build.bat
index 1233965..c6e2335 100644
--- a/build.bat
+++ b/build.bat
@@ -1,9 +1,9 @@
 echo off
 
-set LINUX_MULTIARCH_ROOT=C:\UnrealToolchains\v17_clang-10.0.1-centos7\
+set LINUX_MULTIARCH_ROOT=C:\UnrealToolchains\v15_clang-10.0.1-centos7\
 %LINUX_MULTIARCH_ROOT%x86_64-unknown-linux-gnu\bin\clang++ -v
 
-"C:\Program Files\Epic Games\UE_4.26\Engine\Build\BatchFiles\RunUAT.bat" ^
+"C:\Program Files\Epic Games\UE_4.24\Engine\Build\BatchFiles\RunUAT.bat" ^
   BuildPlugin ^
   -Plugin=%CD%\DataSerialization.uplugin ^
   -Package=%CD%\Dist ^