diff --git a/build-constraints.yaml b/build-constraints.yaml
index 72a9d33b..cf98d88f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4716,6 +4716,10 @@ packages:
 
     "Simon Shine <shreddedglory@gmail.com> @sshine":
         - evm-opcodes
+        
+    "Chris Smith <cdsmith@gmail.com>":
+        - HMock
+        - explainable-predicates
 
     "Grandfathered dependencies":
         - snappy