diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1bbb797af5b4ca..57aad23d36541b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -53,8 +53,9 @@ jobs:
                   scripts/build/bootstrap.sh $BOOTSTRAP_ARGUMENTS
             - name: Configure IPv6
               run:
-                  sed -i 's/::1 ip6-localhost ip6-loopback/::1     localhost
-                  ip6-localhost ip6-loopback/g' /etc/hosts
+                  sudo sed -i 's/::1 ip6-localhost
+                  ip6-loopback/::1     localhost ip6-localhost ip6-loopback/g'
+                  /etc/hosts
             - name: Run Build
               run: scripts/build/default.sh
             - name: Run mbedTLS Tests