diff --git a/postgresql-binary.cabal b/postgresql-binary.cabal
--- a/postgresql-binary.cabal
+++ b/postgresql-binary.cabal
@@ -1,7 +1,7 @@
 name:
   postgresql-binary
 version:
-  0.4.0
+  0.5.0
 synopsis:
   Encoders and decoders for the PostgreSQL's binary format
 description:
@@ -70,7 +70,7 @@
     -- data:
     uuid == 1.3.*,
     time >= 1.4 && < 1.6,
-    scientific < 0.4,
+    scientific >= 0.2 && < 0.4,
     text >= 1 && < 1.3,
     bytestring >= 0.10 && < 0.11,
     -- errors:
@@ -108,7 +108,7 @@
     -- data:
     uuid == 1.3.*,
     time >= 1.4 && < 1.6,
-    scientific < 0.4,
+    scientific >= 0.2 && < 0.4,
     text >= 1 && < 1.3,
     bytestring >= 0.10 && < 0.11,
     -- general:
@@ -138,7 +138,7 @@
     criterion == 1.0.*,
     -- data:
     time >= 1.4 && < 1.6,
-    scientific < 0.4,
+    scientific >= 0.2 && < 0.4,
     text >= 1 && < 1.3,
     bytestring >= 0.10 && < 0.11,
     -- general:
@@ -170,7 +170,7 @@
     criterion == 1.0.*,
     -- data:
     time >= 1.4 && < 1.6,
-    scientific < 0.4,
+    scientific >= 0.2 && < 0.4,
     text >= 1 && < 1.3,
     bytestring >= 0.10 && < 0.11,
     -- general:
