diff --git a/build-constraints.yaml b/build-constraints.yaml
index 966cbc6f..df979e29 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -42,6 +42,10 @@ packages:
         - lens-regex-pcre < 0 # via pcre-heavy
 
     "Emily Pillmore <emilypi@cohomolo.gy> @topos":
+        - base16
+        - base16-lens
+        - base32
+        - base32-lens
         - base64
         - base64-lens
         - lens-process < 0 # via lens-4.18.1