diff --git a/bob/devtools/data/conda_build_config.yaml b/bob/devtools/data/conda_build_config.yaml
index e4bff6fc5461fd483efe60dd5752cf4fddd5fe10..98c5acc93596ea500fb6b2e15e5ade0e8afb3b2e 100644
--- a/bob/devtools/data/conda_build_config.yaml
+++ b/bob/devtools/data/conda_build_config.yaml
@@ -77,12 +77,12 @@ zip_keys:
 
 # This version of bob-devel will be used at test time of packages:
 bob_devel:
-  - 2020.11.19
+  - 2020.11.18
 
 # This version of beat-devel will be used at test time of packages. Notice it
 # uses bob-devel and should have a version that is greater or equal its value
 beat_devel:
-  - 2020.11.19
+  - 2020.11.18
 
 # The build time only dependencies (build requirements).
 # Updating these to the latest version all the time is OK and a good idea.