diff --git a/lib/manager/docker/update.js b/lib/manager/docker/update.js
index 29258e52d63bb9ff3acaa95248f5665498eebae2..4ced9834a07c887cad48fb3bd35bb5204b5ce6f7 100644
--- a/lib/manager/docker/update.js
+++ b/lib/manager/docker/update.js
@@ -11,7 +11,7 @@ function setNewValue(
 ) {
   try {
     logger.debug(`setNewValue: ${depName} = ${newVersion}`);
-    const regexReplace = new RegExp(`(^|\n)FROM ${currentVersion}\n`);
+    const regexReplace = new RegExp(`(^|\n)FROM ${depName}.*?\n`);
     const newFileContent = currentFileContent.replace(
       regexReplace,
       `$1FROM ${newVersion}\n`