diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2c84d201..e8a0e56d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ include(EthPolicy)
 eth_policy()
 
 # project name and version should be set after cmake_policy CMP0048
-set(PROJECT_VERSION "0.5.0")
+set(PROJECT_VERSION "0.5.1")
 project(solidity VERSION ${PROJECT_VERSION})
 
 option(SOLC_LINK_STATIC "Link solc executable statically on supported platforms" OFF)
diff --git a/Changelog.md b/Changelog.md
index 026e2bac5..bb97c35b4 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,15 @@
+### 0.5.1 (unreleased)
+
+Language Features:
+
+
+Compiler Features:
+
+
+Bugfixes:
+
+
+
 ### 0.5.0 (2018-11-13)
 
 How to update your code: