diff --git a/src-lib/Library/Types/Map.hs b/src-lib/Library/Types/Map.hs
index d540521..cdb59ef 100644
--- a/src-lib/Library/Types/Map.hs
+++ b/src-lib/Library/Types/Map.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE StrictData #-}
 module Library.Types.Map where
 
 import Data.Matrix
diff --git a/src-lib/Library/Types/Player.hs b/src-lib/Library/Types/Player.hs
index f216335..7419b45 100644
--- a/src-lib/Library/Types/Player.hs
+++ b/src-lib/Library/Types/Player.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE StrictData #-}
 module Library.Types.Player where
 
 import Data.Aeson
diff --git a/src-server/Server/Types.hs b/src-server/Server/Types.hs
index dc2406e..7fabf09 100644
--- a/src-server/Server/Types.hs
+++ b/src-server/Server/Types.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE StrictData #-}
 module Server.Types where
 
 import Control.Concurrent