diff --git a/hasql-cursor-transaction.cabal b/hasql-cursor-transaction.cabal
index 79e8629..52fcf72 100644
--- a/hasql-cursor-transaction.cabal
+++ b/hasql-cursor-transaction.cabal
@@ -68,9 +68,9 @@ library
     base >=4.9 && <5,
     base-prelude >=1 && <2,
     bytestring >=0.10 && <0.14,
-    bytestring-tree-builder >=0.2 && <0.3,
+    bytestring-tree-builder ^>=0.2,
     contravariant >=1.5 && <2,
-    contravariant-extras >=0.3.5.4 && <0.4,
-    hasql ^>=1.6.4.1,
+    contravariant-extras ^>=0.3.5.4,
+    hasql ^>=1.8,
     hasql-transaction ^>=1.1,
     transformers >=0.4 && <0.7,