diff --git a/opaleye.cabal b/opaleye.cabal
index bf3c5e5c8..fa652cc8d 100644
--- a/opaleye.cabal
+++ b/opaleye.cabal
@@ -32,7 +32,7 @@ library
     , case-insensitive    >= 1.2     && < 1.3
     , bytestring          >= 0.10    && < 0.12
     , contravariant       >= 1.2     && < 1.6
-    , postgresql-simple   >= 0.6     && < 0.7
+    , postgresql-simple   >= 0.7     && < 0.8
     , pretty              >= 1.1.1.0 && < 1.2
     , product-profunctors >= 0.11.0.3 && < 0.12
     , profunctors         >= 4.0     && < 5.7