diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9b3d3b29e..19499632d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -52,6 +52,9 @@ jobs:
           - package: embassy-stm32f4
             target: thumbv7em-none-eabi
             features: stm32f405
+          - package: embassy-stm32f4
+            target: thumbv7em-none-eabi
+            features: stm32f446
           - package: embassy-stm32f4
             target: thumbv7em-none-eabi
             features: stm32f405,defmt