diff --git a/.github/workflows/master_build.yml b/.github/workflows/master_build.yml
index e67a71ee08..25d78833c2 100644
--- a/.github/workflows/master_build.yml
+++ b/.github/workflows/master_build.yml
@@ -134,6 +134,9 @@ jobs:
           echo "Installing Python Modules:"
           pip3 install distro || exit 1
 
+          # workaround https://github.com/orgs/community/discussions/47863
+          sudo apt-mark hold grub-efi-amd64-signed
+
           echo "Updating apt repository index"
           sudo apt update || exit 1
 
diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 1cb9d3b06e..14148cf31f 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -157,6 +157,9 @@ jobs:
           echo "Installing Python Modules:"
           pip3 install distro || exit 1
 
+          # workaround https://github.com/orgs/community/discussions/47863
+          sudo apt-mark hold grub-efi-amd64-signed
+
           echo "Updating apt repository index"
           sudo apt update || exit 1