diff --git a/build.sbt b/build.sbt
index 52db25a58..cc6f82f30 100644
--- a/build.sbt
+++ b/build.sbt
@@ -35,7 +35,7 @@ lazy val `reactive-aws-common-test` = (project in file("reactive-aws-common/test
         "com.whisk"        %% "docker-testkit-scalatest"    % "0.9.9",
         "com.whisk"        %% "docker-testkit-impl-spotify" % "0.9.9",
         "org.seasar.util"  % "s2util"                       % "0.0.1",
-        "org.scalacheck"   %% "scalacheck"                  % "1.14.3"
+        "org.scalacheck"   %% "scalacheck"                  % "1.15.3"
       ) ++ {
         CrossVersion.partialVersion(scalaVersion.value) match {
           case Some((2L, scalaMajor)) if scalaMajor >= 12 =>