diff --git a/README.md b/README.md
index 89637a7..eff40f7 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ A more comprehensive comparison list of features and compatibility is available
 
 ## Used libraries
 
-- [NeighTools/UnityDoorstop](https://github.com/NeighTools/UnityDoorstop) - v4.0.0
+- [NeighTools/UnityDoorstop](https://github.com/NeighTools/UnityDoorstop) - v4.2.0
 - [BepInEx/HarmonyX](https://github.com/BepInEx/HarmonyX) - v2.10.1
 - [0x0ade/MonoMod](https://github.com/0x0ade/MonoMod) - v22.5.1.1
 - [jbevain/cecil](https://github.com/jbevain/cecil) - v0.10.4
diff --git a/Runtimes/Unity/Doorstop/doorstop_config_mono.ini b/Runtimes/Unity/Doorstop/doorstop_config_mono.ini
index 743f430..7926ef0 100644
--- a/Runtimes/Unity/Doorstop/doorstop_config_mono.ini
+++ b/Runtimes/Unity/Doorstop/doorstop_config_mono.ini
@@ -23,7 +23,8 @@ ignore_disable_switch = false
 # (e.g. mscorlib is stripped in original game)
 # This option causes Mono to seek mscorlib and core libraries from a different folder before Managed
 # Original Managed folder is added as a secondary folder in the search path
-dll_search_path_override =
+# To specify multiple paths, separate them with semicolons (;)
+dll_search_path_override = "BepInEx\core"
 
 # If true, Mono debugger server will be enabled
 debug_enabled = false
diff --git a/Runtimes/Unity/Doorstop/run_bepinex_mono.sh b/Runtimes/Unity/Doorstop/run_bepinex_mono.sh
index 0163209..ed5496a 100644
--- a/Runtimes/Unity/Doorstop/run_bepinex_mono.sh
+++ b/Runtimes/Unity/Doorstop/run_bepinex_mono.sh
@@ -36,7 +36,8 @@ ignore_disable_switch="0"
 # (e.g. mscorlib is stripped in original game)
 # This option causes Mono to seek mscorlib and core libraries from a different folder before Managed
 # Original Managed folder is added as a secondary folder in the search path
-dll_search_path_override=""
+# To specify multiple paths, separate them with colons (:)
+dll_search_path_override="BepInEx/core"
 
 # If 1, Mono debugger server will be enabled
 debug_enable="0"
diff --git a/build/Program.cs b/build/Program.cs
index 1189597..e3012a8 100644
--- a/build/Program.cs
+++ b/build/Program.cs
@@ -32,7 +32,7 @@ public class BuildContext : FrostingContext
         BleedingEdge
     }
 
-    public const string DoorstopVersion = "4.0.0";
+    public const string DoorstopVersion = "4.2.0";
     public const string DotnetRuntimeVersion = "6.0.7";
     public const string DobbyVersion = "1.0.5";