Fatal error launching game: Classpath file authlib-1.5.11.jar not found

[15:12:49 FATAL]: Fatal error launching game. Report this to http://mojang.atlassian.net please!
java.lang.RuntimeException: Classpath file not found: /home/samuel/.minecraft/libraries/com/mojang/authlib/1.5.11/authlib-1.5.11.jar
	at net.minecraft.launcher.GameLauncher.constructClassPath(GameLauncher.java:524) ~[launcher.jar:?]
	at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:272) ~[launcher.jar:?]
	at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:627) [launcher.jar:?]
	at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:120) [launcher.jar:?]
	at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:?]
	at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:89) [launcher.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_51]
	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_51]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [?:1.7.0_51]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [?:1.7.0_51]
	at java.lang.Thread.run(Thread.java:744) [?:1.7.0_51]