diff --git a/build-constraints.yaml b/build-constraints.yaml
index 280ad580..d21f1c5e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2876,7 +2876,7 @@ packages:
         - cmark
         - texmath
         - highlighting-kate
-        - skylighting < 0.9  # https://github.com/commercialhaskell/stackage/issues/5559
+        - skylighting
         - pandoc-types
         - zip-archive
         - doclayout
@@ -4683,7 +4683,7 @@ packages:
         - singleton-bool
         - size-based < 0 # ghc 8.10
         - skein
-        - skylighting-core < 0.9 # https://github.com/commercialhaskell/stackage/issues/5559
+        - skylighting-core
         - snap-core
         - some
         - special-values