diff --git a/bob/devtools/data/conda_build_config.yaml b/bob/devtools/data/conda_build_config.yaml
index 83dc6dbb845a722004d280b5c9194746030df570..8738ea68ad528e7fafe73086909aee14d57d6606 100644
--- a/bob/devtools/data/conda_build_config.yaml
+++ b/bob/devtools/data/conda_build_config.yaml
@@ -155,6 +155,8 @@ ncurses:
   - 6.2
 nose:
   - 1.3.7
+numba:
+  - 0.51.2
 numpy: # we build against numpy 1.17 but test against newer versions.
   - 1.17
 opencv: