diff --git a/library/Strelka/ParamsParsing/DefaultValue.hs b/library/Strelka/ParamsParsing/DefaultValue.hs
--- a/library/Strelka/ParamsParsing/DefaultValue.hs
+++ b/library/Strelka/ParamsParsing/DefaultValue.hs
@@ -3,7 +3,7 @@
 where
 
 import Strelka.Prelude
-import qualified Attoparsec.Data.Implicit as B
+import qualified Attoparsec.Data as B
 import qualified Strelka.ParamsParsing.Value as D
 
 
diff --git a/library/Strelka/ParamsParsing/Value.hs b/library/Strelka/ParamsParsing/Value.hs
--- a/library/Strelka/ParamsParsing/Value.hs
+++ b/library/Strelka/ParamsParsing/Value.hs
@@ -4,7 +4,7 @@
 import Strelka.Prelude hiding (maybe, list)
 import qualified Data.Attoparsec.Text as G
 import qualified Data.Text as E
-import qualified Attoparsec.Data.Implicit as B
+import qualified Attoparsec.Data as B
 
 
 {-|
diff --git a/library/Strelka/RequestBodyParsing/DefaultParser.hs b/library/Strelka/RequestBodyParsing/DefaultParser.hs
--- a/library/Strelka/RequestBodyParsing/DefaultParser.hs
+++ b/library/Strelka/RequestBodyParsing/DefaultParser.hs
@@ -4,7 +4,7 @@
 
 import Strelka.Prelude
 import qualified Strelka.RequestBodyParsing.Parser as A
-import qualified Attoparsec.Data.Implicit as B
+import qualified Attoparsec.Data as B
 import qualified Data.Text.Lazy as C
 import qualified Data.Text.Lazy.Builder as D
 import qualified Text.Builder as E
diff --git a/library/Strelka/RequestParsing.hs b/library/Strelka/RequestParsing.hs
--- a/library/Strelka/RequestParsing.hs
+++ b/library/Strelka/RequestParsing.hs
@@ -61,7 +61,7 @@
 import qualified Strelka.ParamsParsing.Params as H
 import qualified Strelka.ParamsParsing as O
 import qualified URLDecoders as I
-import qualified Attoparsec.Data.Implicit as J
+import qualified Attoparsec.Data as J
 
 
 {-|
diff --git a/strelka.cabal b/strelka.cabal
--- a/strelka.cabal
+++ b/strelka.cabal
@@ -1,7 +1,7 @@
 name:
   strelka
 version:
-  2
+  2.0.1
 category:
   Web
 synopsis:
@@ -81,7 +81,7 @@
     base64-bytestring == 1.*,
     -- parsing:
     attoparsec >= 0.13 && < 0.14,
-    attoparsec-data >= 0.1.1 && < 0.2,
+    attoparsec-data >= 1 && < 1.1,
     http-media >= 0.6.4 && < 0.7,
     url-decoders == 0.2.*,
     -- building: