diff --git a/MetaNodes/Tests/TheMovieDb/MovieLookupTests.cs b/MetaNodes/Tests/TheMovieDb/MovieLookupTests.cs
index 3000fd4c..3fe785d6 100644
--- a/MetaNodes/Tests/TheMovieDb/MovieLookupTests.cs
+++ b/MetaNodes/Tests/TheMovieDb/MovieLookupTests.cs
@@ -10,6 +10,7 @@ using PluginTestLibrary;
 namespace MetaNodes.Tests.TheMovieDb;
 
 [TestClass]
+[TestCategory("Slow")]
 public class MovieLookupTests : TestBase
 {
     [TestMethod]
diff --git a/MetaNodes/Tests/TheMovieDb/TVEpisodeLookupTests.cs b/MetaNodes/Tests/TheMovieDb/TVEpisodeLookupTests.cs
index aa38e759..46bc6ef4 100644
--- a/MetaNodes/Tests/TheMovieDb/TVEpisodeLookupTests.cs
+++ b/MetaNodes/Tests/TheMovieDb/TVEpisodeLookupTests.cs
@@ -11,6 +11,7 @@ using PluginTestLibrary;
 namespace MetaNodes.Tests.TheMovieDb;
 
 [TestClass]
+[TestCategory("Slow")]
 public class TVEpisodeLookupTests : TestBase
 {
 
diff --git a/MetaNodes/Tests/TheMovieDb/TVShowLookupTests.cs b/MetaNodes/Tests/TheMovieDb/TVShowLookupTests.cs
index 498d5dfc..d8364caf 100644
--- a/MetaNodes/Tests/TheMovieDb/TVShowLookupTests.cs
+++ b/MetaNodes/Tests/TheMovieDb/TVShowLookupTests.cs
@@ -9,6 +9,7 @@ using PluginTestLibrary;
 namespace MetaNodes.Tests.TheMovieDb;
 
 [TestClass]
+[TestCategory("Slow")]
 public class TVShowLookupTests : TestBase
 {
     [TestMethod]
diff --git a/VideoNodes/Tests/AudioExtractorTests.cs b/VideoNodes/Tests/AudioExtractorTests.cs
index cadfd711..10c67db6 100644
--- a/VideoNodes/Tests/AudioExtractorTests.cs
+++ b/VideoNodes/Tests/AudioExtractorTests.cs
@@ -7,6 +7,7 @@ using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System.IO;
 
 [TestClass]
+[TestCategory("Slow")]
 public class AudioExtractorTests : VideoTestBase
 {
     [TestMethod]
diff --git a/VideoNodes/Tests/AudioToVideoTests.cs b/VideoNodes/Tests/AudioToVideoTests.cs
index 86c43311..5207c7a5 100644
--- a/VideoNodes/Tests/AudioToVideoTests.cs
+++ b/VideoNodes/Tests/AudioToVideoTests.cs
@@ -8,6 +8,7 @@ using FileFlows.VideoNodes.VideoNodes;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 [TestClass]
+[TestCategory("Slow")]
 public class AudioToVideoTests : VideoTestBase
 {
     [TestMethod]
diff --git a/VideoNodes/Tests/FfmpegBuilderTests/FFmpegBuilder_ErrorFile.cs b/VideoNodes/Tests/FfmpegBuilderTests/FFmpegBuilder_ErrorFile.cs
index 9a55765c..dd8a7986 100644
--- a/VideoNodes/Tests/FfmpegBuilderTests/FFmpegBuilder_ErrorFile.cs
+++ b/VideoNodes/Tests/FfmpegBuilderTests/FFmpegBuilder_ErrorFile.cs
@@ -11,6 +11,7 @@ namespace FileFlows.VideoNodes.Tests.FfmpegBuilderTests;
 /// Tests for FFmpeg Builder for the Error file
 /// </summary>
 [TestClass]
+[TestCategory("Slow")]
 public class FFmpegBuild_ErrorFile : VideoTestBase
 {
     /// <summary>
diff --git a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_AudioConverterTests.cs b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_AudioConverterTests.cs
index c60f5812..6b5c5e12 100644
--- a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_AudioConverterTests.cs
+++ b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_AudioConverterTests.cs
@@ -165,6 +165,7 @@ public class FfmpegBuilder_AudioConverterTests: VideoTestBase
     }
     
     [TestMethod]
+    [TestCategory("Slow")]
     public void FfmpegBuilder_AudioConverter_Opus_All()
     {
         var vi = new VideoInfoHelper(FFmpeg, Logger);
diff --git a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_BasicTests.cs b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_BasicTests.cs
index 58ba8bf9..453d6407 100644
--- a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_BasicTests.cs
+++ b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_BasicTests.cs
@@ -8,6 +8,7 @@ using VideoNodes.Tests;
 namespace FileFlows.VideoNodes.Tests.FfmpegBuilderTests;
 
 [TestClass]
+[TestCategory("Slow")]
 public class FfmpegBuilder_BasicTests : VideoTestBase
 {
     VideoInfo vii;
diff --git a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_MetadataTests.cs b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_MetadataTests.cs
index 06eb8b93..6bbe543c 100644
--- a/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_MetadataTests.cs
+++ b/VideoNodes/Tests/FfmpegBuilderTests/FfmpegBuilder_MetadataTests.cs
@@ -7,10 +7,9 @@ using VideoNodes.Tests;
 namespace FileFlows.VideoNodes.Tests.FfmpegBuilderTests;
 
 [TestClass]
+[TestCategory("Slow")]
 public class FfmpegBuilder_MetadataTests: VideoTestBase
 {
-
-
     [TestMethod]
     public void FfmpegBuilder_Metadata_Remover_Language()
     {