diff --git a/generators/rocket-chip b/generators/rocket-chip
index 9b1907ea..1872f5d5 160000
--- a/generators/rocket-chip
+++ b/generators/rocket-chip
@@ -1 +1 @@
-Subproject commit 9b1907eacbeb268d47e204e3de1818823d605ba4
+Subproject commit 1872f5d501221f13950aa2293939634a1e0d1735
diff --git a/tools/chisel3 b/tools/chisel3
index 7a343dce..21ea734d 160000
--- a/tools/chisel3
+++ b/tools/chisel3
@@ -1 +1 @@
-Subproject commit 7a343dce95a370f6cb7b9cf80e0694ac82dc94f8
+Subproject commit 21ea734d809395962a8d3195a76377f6e44308f3
diff --git a/tools/firrtl b/tools/firrtl
index eb637777..7c6f58d9 160000
--- a/tools/firrtl
+++ b/tools/firrtl
@@ -1 +1 @@
-Subproject commit eb637777e3c4d77435cfd13358c521ed1b766ba8
+Subproject commit 7c6f58d986e67b3d0662a4cd6654a68f9cc52cf9