diff --git a/corenlp-parser.cabal b/corenlp-parser.cabal
--- a/corenlp-parser.cabal
+++ b/corenlp-parser.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: f543ec5c7d7cc3d366a63cb8df782d521cd7dc1a76f423f3fbb4aa43a2b84153
+-- hash: 14835f56d0b2ed774d7f3126e14aec20150854b0b4b513f1655e818c271b45d0
 
 name:           corenlp-parser
-version:        0.3.0.1
+version:        0.4.0.0
 synopsis:       Launches CoreNLP and parses the JSON output
 description:    Launches CoreNLP and parses the JSON output
 category:       Natural Language Processing
diff --git a/src/NLP/CoreNLP.hs b/src/NLP/CoreNLP.hs
--- a/src/NLP/CoreNLP.hs
+++ b/src/NLP/CoreNLP.hs
@@ -208,7 +208,7 @@
   , characterOffsetEnd :: Int
   , pos :: PennPOS
   , ner :: NamedEntity
-  , speaker :: Text
+  , speaker :: Maybe Text
   , before :: Text
   , after :: Text
   } deriving (Show, Eq, Generic)
@@ -302,7 +302,9 @@
   let throttledAction = bracket_ (waitQSem sem) (signalQSem sem) . action
   runConcurrently (traverse (Concurrently . throttledAction) taskContainer)
 
--- | Launch CoreNLP with your inputs. This function will put every piece of 'Text' in a separate file, launch CoreNLP subprocess, and parse the results
+-- | Launch CoreNLP with your inputs. This function will put every
+-- piece of 'Text' in a separate file, launch CoreNLP subprocess, and
+-- parse the results
 launchCoreNLP ::
      FilePath -- ^ Path to the directory where you extracted the CoreNLP project
   -> LaunchOptions