diff --git a/postgresql-connector.cabal b/postgresql-connector.cabal
--- a/postgresql-connector.cabal
+++ b/postgresql-connector.cabal
@@ -1,6 +1,6 @@
 cabal-version: >=1.22
 name: postgresql-connector
-version: 0.2.6
+version: 0.2.7
 license: BSD3
 license-file: LICENSE
 copyright: 2015 Mark Fine
@@ -27,10 +27,10 @@
         base >=4.8 && <5,
         bytestring >=0.10.8.2,
         exceptions >=0.8.3,
-        lens >=4.16.1,
+        lens >=4.15.4,
         mtl >=2.2.2,
-        postgresql-simple >=0.5.4.0,
+        postgresql-simple >=0.5.3.0,
         resource-pool >=0.2.3.2,
-        resourcet >=1.2.1,
+        resourcet >=1.1.11,
         time >=1.8.0.2,
         transformers-base >=0.4.4