diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7ae3d9bf..d1571c52 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -791,8 +791,7 @@ packages:
     "Leon Mergen leon@solatis.com @solatis":
         - base58string
         - bitcoin-api
-        # https://github.com/solatis/haskell-bitcoin-api-extra/issues/1
-        # - bitcoin-api-extra
+        - bitcoin-api-extra
         - bitcoin-block
         - bitcoin-script
         - bitcoin-tx