diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f186805..d85ce6e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
 Changes by Version
 ==================
 
-0.5.0 (unreleased)
+0.4.2 (2018-08-14)
 ------------------
-- Nothing yet
+- Fix `tracer.Inject(..., HTTPHeadersWriter&)` (#107)
+- Upgrade dynamic loading API (#120)
 
 
 0.4.1 (2018-05-16)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2378c29f..24df86c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ HunterGate(
     SHA1 "2c5c6fc1cf609d0856695d60f147594daf4e6b3e"
 )
 
-project(jaegertracing VERSION 0.5.0)
+project(jaegertracing VERSION 0.4.2)
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
     CMAKE_CXX_COMPILER_ID MATCHES "Clang")