diff --git a/docs/upgrades/v1.25.2-to-v1.25.3.md b/docs/upgrades/v1.25.2-to-v1.25.3.md
index 232ffef71..eded0b8ed 100644
--- a/docs/upgrades/v1.25.2-to-v1.25.3.md
+++ b/docs/upgrades/v1.25.2-to-v1.25.3.md
@@ -46,7 +46,8 @@ fi
 cp -R "${HOME}/.furyctl/${CLUSTERNAME}" "${HOME}/.furyctl/${CLUSTERNAME}.${NOW}"
 
 echo ">>>> Update the furyconfig.yaml file setting the new fury version"
-sed -i 's/distributionVersion\:\ v1\.25\.2/distributionVersion\:\ v1\.25\.3/g' "${FURYCONFIG}"
+sed 's/distributionVersion\:\ v1\.25\.2/distributionVersion\:\ v1\.25\.3/g' "${FURYCONFIG}" > "${FURYCONFIG}.tmp"
+mv "${FURYCONFIG}.tmp" "${FURYCONFIG}"
 
 echo ">>>> Delete terraform folders"
 find "${HOME}/.furyctl/${CLUSTERNAME}" -name .terraform -type d | xargs -I {} rm -rf {}