diff --git a/BepInEx.sln b/BepInEx.sln
index 6d124cc..67f35f4 100644
--- a/BepInEx.sln
+++ b/BepInEx.sln
@@ -19,20 +19,32 @@ Global
 		BepInEx.Common\BepInEx.Common.projitems*{dc89f18b-235b-4c01-ab31-af40dce5c4c7}*SharedItemsImports = 4
 	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Cecil 0.9.6_Release|Any CPU = Cecil 0.9.6_Release|Any CPU
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
+		Debug|v2017 = Debug|v2017
+		Debug|v4 = Debug|v4
+		Debug|v5 = Debug|v5
+		Release|v2017 = Release|v2017
+		Release|v4 = Release|v4
+		Release|v5 = Release|v5
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Cecil 0.9.6_Release|Any CPU.ActiveCfg = Cecil 0.9.6_Release|Any CPU
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Cecil 0.9.6_Release|Any CPU.Build.0 = Cecil 0.9.6_Release|Any CPU
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|Any CPU.ActiveCfg = Release|Any CPU
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|Any CPU.Build.0 = Release|Any CPU
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|Any CPU.Build.0 = Release|Any CPU
-		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Cecil 0.9.6_Release|Any CPU.ActiveCfg = Release|Any CPU
-		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v2017.ActiveCfg = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v2017.Build.0 = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v4.ActiveCfg = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v4.Build.0 = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v5.ActiveCfg = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Debug|v5.Build.0 = Debug|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v2017.ActiveCfg = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v2017.Build.0 = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v4.ActiveCfg = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v4.Build.0 = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v5.ActiveCfg = Release|Any CPU
+		{4FFBA620-F5ED-47F9-B90C-DAD1316FD9B9}.Release|v5.Build.0 = Release|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Debug|v2017.ActiveCfg = Debug|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Debug|v4.ActiveCfg = Debug|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Debug|v5.ActiveCfg = Debug|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Release|v2017.ActiveCfg = Release|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Release|v4.ActiveCfg = Release|Any CPU
+		{DC89F18B-235B-4C01-AB31-AF40DCE5C4C7}.Release|v5.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/BepInEx/BepInEx.csproj b/BepInEx/BepInEx.csproj
index 3ffe1c3..eb692de 100644
--- a/BepInEx/BepInEx.csproj
+++ b/BepInEx/BepInEx.csproj
@@ -18,7 +18,7 @@
     <DebugType>none</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>..\bin\</OutputPath>
-    <DefineConstants>TRACE;CECIL_10</DefineConstants>
+    <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <DocumentationFile>
@@ -27,9 +27,9 @@
   <PropertyGroup>
     <StartupObject />
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Cecil 0.9.6_Release|AnyCPU'">
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
     <OutputPath>..\bin\</OutputPath>
-    <DefineConstants>TRACE;CECIL_9</DefineConstants>
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
     <Optimize>true</Optimize>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
@@ -39,11 +39,8 @@
     <Reference Include="0Harmony">
       <HintPath>..\lib\0Harmony.dll</HintPath>
     </Reference>
-    <Reference Include="Mono.Cecil" Condition="$(DefineConstants.Contains('CECIL_9'))">
-      <HintPath>..\lib\Cecil 9\Mono.Cecil.dll</HintPath>
-    </Reference>
-    <Reference Include="Mono.Cecil" Condition="$(DefineConstants.Contains('CECIL_10'))">
-      <HintPath>..\lib\Cecil 10\Mono.Cecil.dll</HintPath>
+    <Reference Include="Mono.Cecil">
+      <HintPath>..\lib\Mono.Cecil.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="UnityEngine">
diff --git a/lib/Cecil 9/Mono.Cecil.dll b/lib/Cecil 9/Mono.Cecil.dll
deleted file mode 100644
index fe326f7..0000000
Binary files a/lib/Cecil 9/Mono.Cecil.dll and /dev/null differ
diff --git a/lib/Cecil 10/Mono.Cecil.dll b/lib/Mono.Cecil.dll
similarity index 100%
rename from lib/Cecil 10/Mono.Cecil.dll
rename to lib/Mono.Cecil.dll