diff --git a/.env b/.env
index 465c1c8..4f94bbc 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,5 @@
 export ZEPHYR_SDK_VERSION="0.16.5"
-export ZEPHYR_VERSION="19f645edd40b38e54f505135beced1919fdc7715"
+export ZEPHYR_VERSION="4ae207ccac8e763c4d81ea88e397e17f294169ba"
 export MICROPYTHON_VERSION="fe2a8332ff9c7cc7b66ed6da04f5a4a825309818"
 export ZEPHYR_RUST_VERSION="d59c0a023794288dbda35c72d61b077f4e5b0e55"
 export KENNING_ZEPHYR_RUNTIME_VERSION="8b043fa8920265bfeba207f5e0cad66e7064ac49"