diff --git a/build-constraints.yaml b/build-constraints.yaml
index 790dfe1d..0458d2c0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4701,6 +4701,7 @@ packages:
         - microlens-platform < 0.4
         - microlens-ghc < 0.4.11
         - microlens-th < 0.4.3
+        - microlens-process < 0.2  # https://github.com/commercialhaskell/stackage/issues/4678
 
         # https://github.com/commercialhaskell/stackage/issues/4633
         - hw-packed-vector < 0.1