diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6c94dfea..1f57d777 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4659,7 +4659,6 @@ packages:
         - raw-strings-qq
         - readable
         - rebase
-        - recursion-schemes
         - regex-applicative-text
         - regex-base
         - regex-compat
@@ -4913,8 +4912,10 @@ packages:
       - tasty-expected-failure < 0.12
 
       # https://github.com/commercialhaskell/stackage/issues/5540
+      # blocked by 5535
       - recursion-schemes < 5.2
       - stackcollapse-ghc < 0.0.1.3
+      - egison-pattern-src < 0.2.1.1
 
 # end of packages