diff --git a/Network/Haskoin/Util/Constants.hs b/Network/Haskoin/Util/Constants.hs
--- a/Network/Haskoin/Util/Constants.hs
+++ b/Network/Haskoin/Util/Constants.hs
@@ -51,5 +51,5 @@
 
 -- | User agent of this haskoin package
 haskoinUserAgent :: String
-haskoinUserAgent = "/haskoin:0.0.2/"
+haskoinUserAgent = "/haskoin:0.0.2.1/"
 
diff --git a/Network/Haskoin/Util/Constants/Testnet.hs b/Network/Haskoin/Util/Constants/Testnet.hs
--- a/Network/Haskoin/Util/Constants/Testnet.hs
+++ b/Network/Haskoin/Util/Constants/Testnet.hs
@@ -51,5 +51,5 @@
 
 -- | User agent of this haskoin package
 haskoinUserAgent :: String
-haskoinUserAgent = "/haskoin:0.0.2/"
+haskoinUserAgent = "/haskoin:0.0.2.1/"
 
diff --git a/haskoin.cabal b/haskoin.cabal
--- a/haskoin.cabal
+++ b/haskoin.cabal
@@ -1,5 +1,5 @@
 name:                  haskoin
-version:               0.0.2
+version:               0.0.2.1
 synopsis:              Implementation of the Bitcoin protocol.
 description:
     Haskoin is a package providing an implementation of the Bitcoin protocol
@@ -86,6 +86,7 @@
                        either               >= 4.0  && < 4.1,
                        mtl                  >= 2.1  && < 2.2, 
                        pbkdf                >= 1.1  && < 1.2,
+                       scientific           >= 0.2  && < 0.3,
                        split                >= 0.2  && < 0.3,
                        text                 >= 0.11 && < 0.12,
                        text-icu             >= 0.6  && < 0.7,
@@ -136,6 +137,7 @@
                        either                     >= 4.0  && < 4.1,
                        mtl                        >= 2.1  && < 2.2, 
                        pbkdf                      >= 1.1  && < 1.2,
+                       scientific                 >= 0.2  && < 0.3,
                        split                      >= 0.2  && < 0.3,
                        text                       >= 0.11 && < 0.12,
                        text-icu                   >= 0.6  && < 0.7,