diff --git a/CMakeLists.txt b/CMakeLists.txt
index 163e11b0c..0a27b6ff4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -403,7 +403,7 @@ install(TARGETS pyston DESTINATION ".")
 
 set(CPACK_PACKAGE_VERSION_MAJOR "0")
 set(CPACK_PACKAGE_VERSION_MINOR "5")
-set(CPACK_PACKAGE_VERSION_PATCH "0")
+set(CPACK_PACKAGE_VERSION_PATCH "1")
 
 set(CPACK_SYSTEM_NAME "linux64")
 
diff --git a/README.md b/README.md
index f72cd22a8..84c55a921 100644
--- a/README.md
+++ b/README.md
@@ -51,8 +51,11 @@ See [travis-ci.org/dropbox/pyston/builds](https://travis-ci.org/dropbox/pyston/b
 
 ### Roadmap
 
-##### v0.5: Coming soon
-- Focus is on being ready to run Dropbox's production services.  Blog post coming soon.
+##### v0.6: coming soon
+
+##### v0.5: [released 5/25/2016](https://blog.pyston.org/2016/05/25/pyston-0-5-released/)
+- Reference counting
+- Signals support, generator cleanup, more C API support
 
 ##### v0.4: [released 11/3/2015](http://blog.pyston.org/2015/11/03/102/)
 - Many new features and better language support
diff --git a/docker/pyston-numpy/Dockerfile b/docker/pyston-numpy/Dockerfile
index 0c9b3f68c..17a4c3d27 100644
--- a/docker/pyston-numpy/Dockerfile
+++ b/docker/pyston-numpy/Dockerfile
@@ -6,8 +6,8 @@ FROM buildpack-deps:jessie
 # > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
 ENV LANG C.UTF-8
 
-ENV PYSTON_TAG v0.5.0
-ENV PYSTON_VERSION 0.5.0
+ENV PYSTON_TAG v0.5.1
+ENV PYSTON_VERSION 0.5.1
 
 RUN set -x \
     && curl -SL "https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/pyston-${PYSTON_VERSION}-linux64.tar.gz" | tar -xzC / \
diff --git a/docker/pyston/Dockerfile b/docker/pyston/Dockerfile
index caaf2926d..30809b03d 100644
--- a/docker/pyston/Dockerfile
+++ b/docker/pyston/Dockerfile
@@ -6,8 +6,8 @@ FROM buildpack-deps:jessie
 # > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
 ENV LANG C.UTF-8
 
-ENV PYSTON_TAG v0.5.0
-ENV PYSTON_VERSION 0.5.0
+ENV PYSTON_TAG v0.5.1
+ENV PYSTON_VERSION 0.5.1
 
 RUN set -x \
     && curl -SL "https://github.com/dropbox/pyston/releases/download/${PYSTON_TAG}/pyston-${PYSTON_VERSION}-linux64.tar.gz" | tar -xzC / \
diff --git a/src/core/options.cpp b/src/core/options.cpp
index 628766d55..cb4057e33 100644
--- a/src/core/options.cpp
+++ b/src/core/options.cpp
@@ -20,7 +20,7 @@ int GLOBAL_VERBOSITY = 0;
 
 int PYSTON_VERSION_MAJOR = 0;
 int PYSTON_VERSION_MINOR = 5;
-int PYSTON_VERSION_MICRO = 0;
+int PYSTON_VERSION_MICRO = 1;
 
 int MAX_OPT_ITERATIONS = 1;