diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 60ab132..1863b52 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -4,7 +4,7 @@ on: [push]
 env:
   MATRIX_RUNNERS: 8  # do not saturate runner pool
   ZEPHYR_SDK_VERSION: "0.16.0"
-  ZEPHYR_VERSION: "3d37cc3da98b127eb9a86beb68a89e3e66a0253a"
+  ZEPHYR_VERSION: "dc431a7397a629c9fb7e3a27a803d11bf1103389"
   MICROPYTHON_VERSION: "fe2a8332ff9c7cc7b66ed6da04f5a4a825309818"
 
 jobs: