diff --git a/build.sc b/build.sc
index 8b6ed2ef..092b33a6 100644
--- a/build.sc
+++ b/build.sc
@@ -3,8 +3,8 @@ import coursier.maven.MavenRepository
 
 object ivys {
   val scala = "2.13.14"
-  val chisel = ivy"org.chipsalliance::chisel:7.0.0"
-  val chiselPlugin = ivy"org.chipsalliance:::chisel-plugin:7.0.0"
+  val chisel = ivy"org.chipsalliance::chisel:7.1.1"
+  val chiselPlugin = ivy"org.chipsalliance:::chisel-plugin:7.1.1"
 }
 
 trait CommonModule extends ScalaModule {
diff --git a/difftest b/difftest
index 1554cd74..5544550b 160000
--- a/difftest
+++ b/difftest
@@ -1 +1 @@
-Subproject commit 1554cd7464c679dc71b8bf16404318acdb525c25
+Subproject commit 5544550b209477321025c8f58c471bc4ceed2db3