diff --git a/build-constraints.yaml b/build-constraints.yaml
index dc9c8e2c..bccf6b90 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5102,6 +5102,7 @@ skipped-benchmarks:
     - cipher-rc4 # https://github.com/vincenthz/hs-crypto-cipher/issues/46
     - extensible # via freer-effects https://github.com/fumieval/extensible/issues/12
     - hw-bits # https://github.com/haskell-works/hw-bits/issues/8
+    - skylighting-core # https://github.com/jgm/skylighting/issues/42
 
     # Cyclic dependencies
     - cassava