diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index 8a776a7b..dd8ac7f6 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -47,7 +47,7 @@ jobs:
           submodules: true
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -163,7 +163,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 98da169c..30387833 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -58,17 +58,17 @@ jobs:
         if: ${{ matrix.qemu == true }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
         id: docker-buildx
 
       - name: Login to DockerHub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.docker_hub_username }}
           password: ${{ secrets.docker_hub_access_token }}
 
       - name: Build and push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
@@ -82,7 +82,7 @@ jobs:
         if: ${{ matrix.name != 'arm64' && matrix.name != 'arm32v7' }}
 
       - name: Build and push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
@@ -97,7 +97,7 @@ jobs:
         if: ${{ matrix.name == 'arm64' }}
 
       - name: Build and push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@5
         with:
           builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index e0d3d73c..6835890b 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -9,7 +9,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -44,7 +44,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -72,7 +72,7 @@ jobs:
           submodules: true
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index aad409c6..92ec762b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,6 +59,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix bug where previously-synchronized collection tags would disappear
   - This bug affected Jellyfin, Emby and Plex collections
 - Fix detection of AMF hardware acceleration on Windows
+- Fix green line at bottom of video when NVIDIA accel is used with intermittent watermark
 
 ## [0.8.3-beta] - 2023-11-22
 ### Added
diff --git a/ErsatzTV.FFmpeg/Pipeline/NvidiaPipelineBuilder.cs b/ErsatzTV.FFmpeg/Pipeline/NvidiaPipelineBuilder.cs
index 1edb6cea..91474912 100644
--- a/ErsatzTV.FFmpeg/Pipeline/NvidiaPipelineBuilder.cs
+++ b/ErsatzTV.FFmpeg/Pipeline/NvidiaPipelineBuilder.cs
@@ -214,6 +214,16 @@ public class NvidiaPipelineBuilder : SoftwarePipelineBuilder
             fontsFolder,
             subtitleOverlayFilterSteps);
 
+        // need to use software overlay for watermark with fade points
+        // because `-loop 1` seems to cause a green line at the bottom of the resulting video with overlay_cuda
+        if (context.HasWatermark && watermarkInputFile
+                .Map(wm => wm.DesiredState.MaybeFadePoints.Map(fp => fp.Count > 0).IfNone(false)).IfNone(false))
+        {
+            var hardwareDownload = new CudaHardwareDownloadFilter(currentState.PixelFormat, None);
+            currentState = hardwareDownload.NextState(currentState);
+            videoInputFile.FilterSteps.Add(hardwareDownload);
+        }
+
         currentState = SetWatermark(
             videoStream,
             watermarkInputFile,
@@ -404,17 +414,42 @@ public class NvidiaPipelineBuilder : SoftwarePipelineBuilder
                 watermark.FilterSteps.AddRange(fadePoints.Map(fp => new WatermarkFadeFilter(fp)));
             }
 
-            watermark.FilterSteps.Add(
-                new HardwareUploadCudaFilter(currentState with { FrameDataLocation = FrameDataLocation.Software }));
-
-            var watermarkFilter = new OverlayWatermarkCudaFilter(
-                watermark.DesiredState,
-                desiredState.PaddedSize,
-                videoStream.SquarePixelFrameSize(currentState.PaddedSize),
-                _logger);
-            watermarkOverlayFilterSteps.Add(watermarkFilter);
+            // if we're in software, it's because we need to overlay in software (watermark with fade points - loop)
+            if (currentState.FrameDataLocation is FrameDataLocation.Software)
+            {
+                foreach (IPixelFormat desiredPixelFormat in desiredState.PixelFormat)
+                {
+                    IPixelFormat pf = desiredPixelFormat;
+                    if (desiredPixelFormat is PixelFormatNv12 nv12)
+                    {
+                        foreach (IPixelFormat availablePixelFormat in AvailablePixelFormats.ForPixelFormat(nv12.Name, null))
+                        {
+                            pf = availablePixelFormat;
+                        }
+                    }
 
-            currentState = watermarkFilter.NextState(currentState);
+                    var watermarkFilter = new OverlayWatermarkFilter(
+                        watermark.DesiredState,
+                        desiredState.PaddedSize,
+                        videoStream.SquarePixelFrameSize(currentState.PaddedSize),
+                        pf,
+                        _logger);
+                    watermarkOverlayFilterSteps.Add(watermarkFilter);
+                }
+            }
+            else
+            {
+                watermark.FilterSteps.Add(
+                    new HardwareUploadCudaFilter(currentState with { FrameDataLocation = FrameDataLocation.Software }));
+
+                var watermarkFilter = new OverlayWatermarkCudaFilter(
+                    watermark.DesiredState,
+                    desiredState.PaddedSize,
+                    videoStream.SquarePixelFrameSize(currentState.PaddedSize),
+                    _logger);
+                watermarkOverlayFilterSteps.Add(watermarkFilter);
+                currentState = watermarkFilter.NextState(currentState);
+            }
         }
 
         return currentState;