diff --git a/bob/devtools/data/conda_build_config.yaml b/bob/devtools/data/conda_build_config.yaml
index b83da5ce5ae52cb52299528b9d8ea650c5274b0f..f7544b32d1c7b1b2c2577e02a0d12e9955aea1f3 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: