diff --git a/conda/beat-devel/meta.yaml b/conda/beat-devel/meta.yaml
index 30963067b634dee7c3ebe59fd4a5b039eb0ccfb8..c3aa983b6b87d9424ce73bc0b4909caa58bb104d 100644
--- a/conda/beat-devel/meta.yaml
+++ b/conda/beat-devel/meta.yaml
@@ -2,7 +2,7 @@
 {% set nopin = ['ca-certificates', 'certifi', 'openssl', 'libstdcxx-ng', 'libgcc-ng', 'libcxx', 'libcxxabi'] %}
 package:
   name: beat-devel
-  version: 2020.05.19
+  version: 2020.06.15
 
 build:
   # the build number must be zero all the time.
@@ -14,7 +14,7 @@ build:
 
 requirements:
   host:
-    - bob-devel 2020.05.19
+    - bob-devel 2020.06.15
     - python {{ python }}
     - docker-py 4.2.0
     - jsonschema 3.2.0
diff --git a/conda/bob-devel/meta.yaml b/conda/bob-devel/meta.yaml
index 6d72a5ab775d047d0064fee660c28e5972c49947..534e6cf6fe41b474e6ab0b1b0feef5ffec3cb55f 100644
--- a/conda/bob-devel/meta.yaml
+++ b/conda/bob-devel/meta.yaml
@@ -4,7 +4,7 @@ package:
   name: bob-devel
   # please update the version of beat-devel and update bob-devel's version
   # there as well in the same merge request.
-  version: 2020.05.19
+  version: 2020.06.15
 
 build:
   # the build number must be zero all the time.
@@ -88,6 +88,7 @@ requirements:
     - psycopg2 2.8.4
     # semi-supported dependencies (drop them if they conflict):
     - dlib 19.7
+    - pybind11 2.4.3
   run:
     - python
   run_constrained: