diff --git a/opaleye-trans.cabal b/opaleye-trans.cabal
--- a/opaleye-trans.cabal
+++ b/opaleye-trans.cabal
@@ -1,5 +1,5 @@
 name:                opaleye-trans
-version:             0.3.4
+version:             0.3.5
 synopsis:            A monad transformer for Opaleye
 description:         A monad transformer for Opaleye
 homepage:            https://github.com/WraithM/opaleye-trans
@@ -28,7 +28,7 @@
     transformers-base   >=0.4 && <0.5,
     opaleye             >=0.4 && <0.6,
     postgresql-simple   >=0.4 && <0.6,
-    product-profunctors >=0.6 && <0.8
+    product-profunctors >=0.6 && <0.9
 
 executable opaleye-rosetree
   hs-source-dirs:      examples/v1
@@ -38,7 +38,7 @@
     base                >=4.8 && <4.10,
     opaleye             >=0.4 && <0.6,
     postgresql-simple   >=0.4 && <0.6,
-    product-profunctors >=0.6 && <0.8,
+    product-profunctors >=0.6 && <0.9,
     opaleye-trans
 
 executable opaleye-rosetree2
@@ -49,5 +49,5 @@
     base                >=4.8 && <4.10,
     opaleye             >=0.4 && <0.6,
     postgresql-simple   >=0.4 && <0.6,
-    product-profunctors >=0.6 && <0.8,
+    product-profunctors >=0.6 && <0.9,
     opaleye-trans