diff --git a/bob/devtools/data/conda_build_config.yaml b/bob/devtools/data/conda_build_config.yaml
index b530d1d07a79f3ed2c5cce4569b03414472b545c..c45a25b84a11d5b6c814330a0c80d5d9c341cb49 100644
--- a/bob/devtools/data/conda_build_config.yaml
+++ b/bob/devtools/data/conda_build_config.yaml
@@ -127,6 +127,8 @@ freetype:
   - 2.10.4
 giflib:
   - 5.2.1
+graphviz:
+  - 2.40.1
 h5py:
   - 2.10.0
 hdf5: