diff --git a/python/thunder/__init__.py b/python/thunder/__init__.py
index 850763ce..f63dfa6b 100644
--- a/python/thunder/__init__.py
+++ b/python/thunder/__init__.py
@@ -25,4 +25,4 @@
 from thunder.utils.datasets import DataSets
 from thunder.utils.context import ThunderContext
 
-__version__ = "0.5.1.snapshot"
+__version__ = "0.5.1"
diff --git a/python/thunder/lib/thunder_2.10-0.5.1.snapshot.jar b/python/thunder/lib/thunder_2.10-0.5.1.jar
similarity index 69%
rename from python/thunder/lib/thunder_2.10-0.5.1.snapshot.jar
rename to python/thunder/lib/thunder_2.10-0.5.1.jar
index d11dfa72..453e2534 100644
Binary files a/python/thunder/lib/thunder_2.10-0.5.1.snapshot.jar and b/python/thunder/lib/thunder_2.10-0.5.1.jar differ
diff --git a/scala/build.sbt b/scala/build.sbt
index c94b6b4b..b9f98c63 100755
--- a/scala/build.sbt
+++ b/scala/build.sbt
@@ -1,6 +1,6 @@
 name := "thunder"
 
-version := "0.5.1.snapshot"
+version := "0.5.1"
 
 scalaVersion := "2.10.3"