diff --git a/src/Sdcb.FFmpeg.AutoGen/Generator.cs b/src/Sdcb.FFmpeg.AutoGen/Generator.cs
index c4178f0..9a2f4a4 100644
--- a/src/Sdcb.FFmpeg.AutoGen/Generator.cs
+++ b/src/Sdcb.FFmpeg.AutoGen/Generator.cs
@@ -142,7 +142,9 @@ public void WriteExportFunctions(string outputFile)
 
         public void WriteInlineFunctions(string outputFile)
         {
-            var existingInlineFunctionMap = ExistingInlineFunctions.ToDictionary(x => x.Name);
+            Dictionary<string, InlineFunctionDefinition> existingInlineFunctionMap = ExistingInlineFunctions
+                .GroupBy(x => x.Name)
+                .ToDictionary(x => x.Key, v => v.First());
             WriteInternal(outputFile,
                 (units, writer) =>
                 {
diff --git a/src/Sdcb.FFmpeg.NuGetBuilder/PackageInfo.cs b/src/Sdcb.FFmpeg.NuGetBuilder/PackageInfo.cs
index 22e7a75..c65b478 100644
--- a/src/Sdcb.FFmpeg.NuGetBuilder/PackageInfo.cs
+++ b/src/Sdcb.FFmpeg.NuGetBuilder/PackageInfo.cs
@@ -2,7 +2,7 @@
 
 public static class PackageInfo
 {
-    public const string Version = "6.1.0";
+    public const string Version = "6.1.1";
 
-    public const string Url = $"https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-full-shared.7z";
+    public const string Url = $"https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2024-03-21-12-56/ffmpeg-n6.1.1-25-g888602001f-win64-gpl-shared-6.1.zip";
 }