diff --git a/.github/workflows/mgm.yml b/.github/workflows/mgm.yml
index ca91fb9b..8f4a75d8 100644
--- a/.github/workflows/mgm.yml
+++ b/.github/workflows/mgm.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.81.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -41,7 +41,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.81.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v4