diff --git a/bob/devtools/data/conda_build_config.yaml b/bob/devtools/data/conda_build_config.yaml
index 3afa6b17e433fb32847d3bf54c0b29ee2f92817a..e6a14ab7b5e18d9e4bfdf521d26651fc1790908a 100644
--- a/bob/devtools/data/conda_build_config.yaml
+++ b/bob/devtools/data/conda_build_config.yaml
@@ -419,6 +419,8 @@ pytorch:
   - 1.10.2  # [osx]
 pytorch_lightning:
   - 1.6.0
+pyyaml:
+  - 6.0
 pyzmq:
   - 22.3.0
 requests: