diff --git a/CHANGELOG.md b/CHANGELOG.md
index ead41ae2a..12d44777d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,7 +14,8 @@
   from `3.6.0b1` to `3.5.0` and back to `3.6.0b1` ([support#1846]).
 - Fixed controls stopping if `use_gyro` is called again with the same
   argument as already active ([support#1858]).
-- Fixed lockup and reboot with f-strings in tight loops ([support#1668]).
+- Fixed lockup and reboot with f-strings and slice allocations in tight
+  loops ([support#1668]).
 
 [support#1623]: https://github.com/pybricks/support/issues/1623
 [support#1668]: https://github.com/pybricks/support/issues/1668
diff --git a/micropython b/micropython
index 6fc590244..9305b73d7 160000
--- a/micropython
+++ b/micropython
@@ -1 +1 @@
-Subproject commit 6fc59024476905a0b6bec4200bd02603e25e427c
+Subproject commit 9305b73d7e6c6761367624a0077d4bdf96601c5a