diff --git a/recipes/deepbgc/meta.yaml b/recipes/deepbgc/meta.yaml
index 3095ced1d61f0..16f1f936817d3 100644
--- a/recipes/deepbgc/meta.yaml
+++ b/recipes/deepbgc/meta.yaml
@@ -12,7 +12,7 @@ source:
 
 build:
   noarch: python
-  number: 1
+  number: 2
   entry_points:
     - deepbgc = deepbgc.main:main
   script: python setup.py install --single-version-externally-managed --record=record.txt
@@ -35,7 +35,7 @@ requirements:
     - scipy ==1.2.0
     - hmmer >=3.1b2 # needed for antiSMASH compatibility
     - prodigal
-    - protobuf <4 # needed to load old model pickle files
+    - protobuf <=3.19.0 # needed to load old model pickle files
 
 test:
   imports: