diff --git a/ttanalysis.sc b/ttanalysis.sc
index a385c01755b16feecded6022c44992cf4bc7c972..9fa01793291406ad2d22d11ec2242024262d0df7 100755
--- a/ttanalysis.sc
+++ b/ttanalysis.sc
@@ -2,7 +2,7 @@
 
 import $ivy.`com.github.wookietreiber::scala-chart:0.5.1`, scalax.chart.api._
 import $ivy.`com.github.tototoshi::scala-csv:1.3.5`, com.github.tototoshi.csv._
-import $ivy.`org.typelevel::cats-core:1.0.1`
+import $ivy.`org.typelevel::cats-core:1.1.0`
 
 import cats._
 import cats.instances.all._