diff --git a/.github/workflows/build-artifact.yml b/.github/workflows/build-artifact.yml
index 0bac5a3a..d97c93cd 100644
--- a/.github/workflows/build-artifact.yml
+++ b/.github/workflows/build-artifact.yml
@@ -73,6 +73,7 @@ jobs:
           cd /tmp
           touch rv32emu-linux-image-prebuilt
           touch sha1sum-linux-image
+          echo "apple" >> sha1sum-linux-image
           tar -zcvf rv32emu-linux-image-prebuilt.tar.gz rv32emu-linux-image-prebuilt
       - name: Create GitHub Release
         env:
diff --git a/mk/external.mk b/mk/external.mk
index f5e22e56..c3cec4c1 100644
--- a/mk/external.mk
+++ b/mk/external.mk
@@ -103,7 +103,7 @@ TIMIDITY_DATA = $(OUT)/timidity
 TIMIDITY_DATA_SHA1 = cf6217a5d824b717ec4a07e15e6c129a4657ca25
 
 # Buildroot
-BUILDROOT_VERSION = 2024.05.2
+BUILDROOT_VERSION = 2024.05.3
 BUILDROOT_DATA = /tmp/buildroot
 BUILDROOT_DATA_URL = git clone https://github.com/buildroot/buildroot $(BUILDROOT_DATA) -b $(BUILDROOT_VERSION) --depth=1
 BUILDROOT_DATA_SHA1 = e6677825313cdb47f6e62e4dc09a22ae30699b69