diff --git a/environment.yml b/environment.yml
index 39a5da8a66..d4e329fed4 100644
--- a/environment.yml
+++ b/environment.yml
@@ -25,6 +25,7 @@ dependencies:
   - conda-forge::cairo
   - conda-forge::cairocffi
   - conda-forge::ffmpeg >= 7
+  - conda-forge::x264 ==1!157.20191217  # pin to old version to avoid broken package cache build
   - conda-forge::xlrd
   - conda-forge::xlwt
   - conda-forge::h5py