diff --git a/hasql-transaction.cabal b/hasql-transaction.cabal
--- a/hasql-transaction.cabal
+++ b/hasql-transaction.cabal
@@ -1,7 +1,7 @@
 name:
   hasql-transaction
 version:
-  0.3.0.3
+  0.3.1
 category:
   Hasql, Database, PostgreSQL
 synopsis:
@@ -47,7 +47,7 @@
   exposed-modules:
     Hasql.Transaction
   build-depends:
-    hasql >= 0.14 && < 0.15,
+    hasql >= 0.15 && < 0.16,
     -- database:
     postgresql-error-codes >= 1 && < 2,
     -- data:
diff --git a/library/Hasql/Transaction/Queries.hs b/library/Hasql/Transaction/Queries.hs
--- a/library/Hasql/Transaction/Queries.hs
+++ b/library/Hasql/Transaction/Queries.hs
@@ -3,8 +3,8 @@
 
 import Hasql.Transaction.Prelude
 import qualified Hasql.Query as HQ
-import qualified Hasql.Encoding as HE
-import qualified Hasql.Decoding as HD
+import qualified Hasql.Encoders as HE
+import qualified Hasql.Decoders as HD
 import qualified ByteString.TreeBuilder as TB