diff --git a/.github/workflows/githubci.yml b/.github/workflows/githubci.yml
index 5d8b275..8ed72ee 100644
--- a/.github/workflows/githubci.yml
+++ b/.github/workflows/githubci.yml
@@ -82,7 +82,7 @@ jobs:
     - name: Install ARM GCC
       uses: carlosperate/arm-none-eabi-gcc-action@v1
       with:
-        release: '10-2020-q4'
+        release: '12.3.Rel1'
 
     - name: Install Tools
       run: |
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08ff5c2..c0ae6f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -167,7 +167,7 @@ target_compile_options(bootloader PUBLIC
   -Wno-endif-labels
   -Wunreachable-code
   # Suppress warning caused by SDK
-  -Wno-unused-parameter -Wno-expansion-to-defined
+  -Wno-unused-parameter -Wno-expansion-to-defined -Wno-array-bounds
   )
 target_compile_definitions(bootloader PUBLIC
   SOFTDEVICE_PRESENT