diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3b145db7..ccceb5f4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3312,9 +3312,8 @@ packages:
         - brick < 0.21
         - word-wrap < 0.2
 
-        # https://github.com/fpco/stackage/issues/2740, requires < 5.6, however
-        # 5.5.4 breaks Taxonomy, https://github.com/eggzilla/Taxonomy/issues/1
-        - fgl < 5.5.4
+        # https://github.com/fpco/stackage/issues/2740
+        - fgl < 5.6
 
 # end of packages