diff --git a/avr/libraries/Kaleidoscope b/avr/libraries/Kaleidoscope
index d7541e1..b83d191 160000
--- a/avr/libraries/Kaleidoscope
+++ b/avr/libraries/Kaleidoscope
@@ -1 +1 @@
-Subproject commit d7541e1b7d799e16bf1ad116abcc84eced478f31
+Subproject commit b83d191866833069e5e1f9d2a5e7242d699a181c
diff --git a/build-tools b/build-tools
index 31b0c32..f2e4f94 160000
--- a/build-tools
+++ b/build-tools
@@ -1 +1 @@
-Subproject commit 31b0c326b3015b8b3521b573db2f2e59e55905c2
+Subproject commit f2e4f943b3a5d00b822faa0a5642ef60a8d1880a