diff --git a/azimuth-hs.cabal b/azimuth-hs.cabal
--- a/azimuth-hs.cabal
+++ b/azimuth-hs.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name:          azimuth-hs
-version:       0.1.0
+version:       0.1.1
 synopsis:      Interact with Azimuth from Haskell
 description:   Haskell bindings for Azimuth (https://github.com/urbit/azimuth)
 homepage:      https://github.com/urbit/azimuth-hs
@@ -34,13 +34,13 @@
   import:          base
   hs-source-dirs:  lib
   build-depends:
-      data-default-class == 0.1.2.0
-    , exceptions         >= 0.10
-    , haskoin-core       == 0.13.4
-    , memory             >= 0.15
-    , mtl                >= 2.2
-    , text               >= 1.2
-    , urbit-hob          >= 0.3
+      data-default-class >= 0.1.2.0  && < 0.2
+    , exceptions         >= 0.10     && < 1.0
+    , haskoin-core       == 0.12.0
+    , memory             >= 0.15     && < 1.0
+    , mtl                >= 2.2      && < 3.0
+    , text               >= 1.2      && < 2.0
+    , urbit-hob          >= 0.3      && < 1.0
     , web3               == 0.9.1.0
 
   exposed-modules:
diff --git a/lib/Urbit/Azimuth/Account.hs b/lib/Urbit/Azimuth/Account.hs
--- a/lib/Urbit/Azimuth/Account.hs
+++ b/lib/Urbit/Azimuth/Account.hs
@@ -20,7 +20,7 @@
   ) where
 
 import qualified Crypto.Ethereum as C
-import qualified Haskoin.Keys as K
+import qualified Network.Haskoin.Keys as K
 import qualified Network.Ethereum.Account as A
 
 -- | Recover a private key from a BIP39 mnemonic, passphrase, and HD derivation