diff --git a/gitlab/conda_build_config.yaml b/gitlab/conda_build_config.yaml
index 7eea56dee1df866634da090ecadc5e2183521517..f7a65d962591ea7beed33001c7cf255514742ce3 100644
--- a/gitlab/conda_build_config.yaml
+++ b/gitlab/conda_build_config.yaml
@@ -44,7 +44,7 @@ zip_keys:
 # Ideally we want to build and test against older versions of dependencies.
 # Most of the pin numbers come from the anaconda package.
 bob_devel:
-  - 2018.01.22
+  - 2018.02.01
 
 ## The build time only dependencies.
 ## Updaing these to the latest version all the time is OK.