diff --git a/src/simulation_util b/src/simulation_util
index 815a248170b589b82d736278a65d11bfd1ca2d3e..2b1b5011a2633d20721e61c5fea4bb2dd5fbbaa3 160000
--- a/src/simulation_util
+++ b/src/simulation_util
@@ -1 +1 @@
-Subproject commit 815a248170b589b82d736278a65d11bfd1ca2d3e
+Subproject commit 2b1b5011a2633d20721e61c5fea4bb2dd5fbbaa3
diff --git a/src/tutorial_ros_hello_world b/src/tutorial_ros_hello_world
index ef036bcfd2c93a2193787cf05a8321b7912f57e7..e5f726a04d5d69db9b955da8a89845e536bb0895 160000
--- a/src/tutorial_ros_hello_world
+++ b/src/tutorial_ros_hello_world
@@ -1 +1 @@
-Subproject commit ef036bcfd2c93a2193787cf05a8321b7912f57e7
+Subproject commit e5f726a04d5d69db9b955da8a89845e536bb0895
diff --git a/src/tutorial_ros_pub_sub b/src/tutorial_ros_pub_sub
index 39b114c611f1e4d9b00c16666bd18591d43dab1b..3b720a2682015eeb769643f89641a54c5169a572 160000
--- a/src/tutorial_ros_pub_sub
+++ b/src/tutorial_ros_pub_sub
@@ -1 +1 @@
-Subproject commit 39b114c611f1e4d9b00c16666bd18591d43dab1b
+Subproject commit 3b720a2682015eeb769643f89641a54c5169a572