diff --git a/src/external/py_trees b/src/external/py_trees
index 4f7f8f6..41ec377 160000
--- a/src/external/py_trees
+++ b/src/external/py_trees
@@ -1 +1 @@
-Subproject commit 4f7f8f60ddf45778905e8fa80401df14783b203b
+Subproject commit 41ec377108b3786f2cfe529facb0566332691766
diff --git a/src/external/py_trees_js b/src/external/py_trees_js
index 4991e1a..ae4eaac 160000
--- a/src/external/py_trees_js
+++ b/src/external/py_trees_js
@@ -1 +1 @@
-Subproject commit 4991e1ac6b083655f0e47cbd5915703d6203b76a
+Subproject commit ae4eaac7e5dd5c48de654371cc446b5955be2c7a
diff --git a/src/external/py_trees_ros b/src/external/py_trees_ros
index 435a415..ec0a401 160000
--- a/src/external/py_trees_ros
+++ b/src/external/py_trees_ros
@@ -1 +1 @@
-Subproject commit 435a415e806165d23b3abbc5042391a714c97e23
+Subproject commit ec0a40135f18027b103db4353d5fb8b5aff622b0