diff --git a/avr/libraries/Kaleidoscope b/avr/libraries/Kaleidoscope
index 97d4f4e..d7541e1 160000
--- a/avr/libraries/Kaleidoscope
+++ b/avr/libraries/Kaleidoscope
@@ -1 +1 @@
-Subproject commit 97d4f4e991810a49e58ef4db88fede9193a7eed5
+Subproject commit d7541e1b7d799e16bf1ad116abcc84eced478f31
diff --git a/build-tools b/build-tools
index 97c992b..af74880 160000
--- a/build-tools
+++ b/build-tools
@@ -1 +1 @@
-Subproject commit 97c992b1fea1b567edd2f3e8a223f0cc9c4f3848
+Subproject commit af7488054c02fe733ae3faf827a1f3b443c65263