From 402fb6532f6983578d66d869b83dfd3f53a8d76d Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 26 Aug 2026 11:51:41 +0200
Subject: [PATCH] Remove unreliable ec2-hosted Ubuntu server from apt
 configuration

---
 .github/workflows/arm64_graviton.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/arm64_graviton.yml b/.github/workflows/arm64_graviton.yml
index 64a082fa26..45377e0669 100644
--- a/.github/workflows/arm64_graviton.yml
+++ b/.github/workflows/arm64_graviton.yml
@@ -50,6 +50,7 @@ jobs:
       - name: Install Dependencies
         run: |
           if [ "$RUNNER_OS" == "Linux" ]; then
+            sudo sed -i 's/us-east-1\.ec2\.//g' /etc/apt/sources.list
             sudo apt update
             sudo apt-get install -y gfortran cmake ccache libtinfo5
           else