diff --git a/src/Data/RandomWalkSimilarity.hs b/src/Data/RandomWalkSimilarity.hs
index de578aa2c..302875413 100644
--- a/src/Data/RandomWalkSimilarity.hs
+++ b/src/Data/RandomWalkSimilarity.hs
@@ -16,7 +16,7 @@ module Data.RandomWalkSimilarity
 ) where
 
 import Control.Applicative
-import Control.Monad.Random
+import Control.Monad.Random.Strict
 import Control.Monad.State
 import Data.Align.Generic
 import Data.Array