diff --git a/science/paraview/files/patch-ffmpeg8-fix b/science/paraview/files/patch-ffmpeg8-fix
new file mode 100644
index 000000000000..3ca69e2e746d
--- /dev/null
+++ b/science/paraview/files/patch-ffmpeg8-fix
@@ -0,0 +1,36 @@
+Backport of upstream commits to fix build with FFmpeg 8.
+
+https://gitlab.kitware.com/vtk/vtk/-/commit/b8da15a0ec5157bd8405cbd9b5a95ecd29eb4bb7
+https://gitlab.kitware.com/vtk/vtk/-/commit/492a5cd59de5c045d1008d1c40ae1fa2301a5e6d
+
+--- VTK/IO/FFMPEG/vtkFFMPEGVideoSource.cxx.orig	2025-03-31 14:04:52 UTC
++++ VTK/IO/FFMPEG/vtkFFMPEGVideoSource.cxx
+@@ -72,12 +72,16 @@ class vtkFFMPEGVideoSourceInternal (public)
+     }
+     if (this->VideoDecodeContext)
+     {
++#if defined(LIBAVCODEC_VERSION_MAJOR) && LIBAVCODEC_VERSION_MAJOR < 60
+       avcodec_close(this->VideoDecodeContext);
++#endif
+       this->VideoDecodeContext = nullptr;
+     }
+     if (this->AudioDecodeContext)
+     {
++#if defined(LIBAVCODEC_VERSION_MAJOR) && LIBAVCODEC_VERSION_MAJOR < 60
+       avcodec_close(this->AudioDecodeContext);
++#endif
+       this->AudioDecodeContext = nullptr;
+     }
+     if (this->FormatContext)
+--- VTK/IO/FFMPEG/vtkFFMPEGWriter.cxx.orig	2025-03-31 14:04:52 UTC
++++ VTK/IO/FFMPEG/vtkFFMPEGWriter.cxx
+@@ -363,7 +363,9 @@ void vtkFFMPEGWriterInternal::End()
+ 
+   if (this->avCodecContext)
+   {
++#if defined(LIBAVCODEC_VERSION_MAJOR) && LIBAVCODEC_VERSION_MAJOR < 60
+     avcodec_close(this->avCodecContext);
++#endif
+     avcodec_free_context(&this->avCodecContext);
+     this->avCodecContext = nullptr;
+   }