diff --git a/attoparsec-time.cabal b/attoparsec-time.cabal
--- a/attoparsec-time.cabal
+++ b/attoparsec-time.cabal
@@ -1,5 +1,5 @@
 name: attoparsec-time
-version: 1.0.1.1
+version: 1.0.1.2
 synopsis: Attoparsec parsers of time
 description: A collection of Attoparsec parsers for the \"time\" library
 category: Attoparsec, Parsers, Time
@@ -31,7 +31,6 @@
   build-depends:
     attoparsec >=0.13 && <0.15,
     base >=4.9 && <5,
-    bytestring ==0.10.*,
-    scientific ==0.3.*,
+    bytestring >=0.10 && <0.12,
     text >=1 && <2,
     time >=1.4 && <2
diff --git a/library/Attoparsec/Time/Prelude.hs b/library/Attoparsec/Time/Prelude.hs
--- a/library/Attoparsec/Time/Prelude.hs
+++ b/library/Attoparsec/Time/Prelude.hs
@@ -76,10 +76,6 @@
 -------------------------
 import Data.Text as Exports (Text)
 
--- scientific
--------------------------
-import Data.Scientific as Exports (Scientific)
-
 -- time
 -------------------------
 import Data.Time as Exports