diff --git a/requirements/_requirements_base.txt b/requirements/_requirements_base.txt
index a2f04a17..9c9a2d52 100644
--- a/requirements/_requirements_base.txt
+++ b/requirements/_requirements_base.txt
@@ -8,6 +8,8 @@ scikit-learn>=1.3.0
 fastcluster>=1.2.6
 matplotlib>=3.8.0
 imageio>=2.33.1
-imageio-ffmpeg>=0.4.9
+# ffmpeg binary >=0.6.0 breaks convert.
+# TODO fix convert to use latest binary
+imageio-ffmpeg>=0.4.9,<0.6.0
 ffmpy>=0.3.0
 pywin32>=305 ; sys_platform == "win32"