diff --git a/CMakeLists.txt b/CMakeLists.txt
index 917ec3fa..48593b88 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ if (CMAKE_VERSION GREATER_EQUAL 3.12)
   cmake_policy(SET CMP0075 NEW)
 endif (CMAKE_VERSION GREATER_EQUAL 3.12)
 
-project(musrfit VERSION 1.7.1 LANGUAGES C CXX)
+project(musrfit VERSION 1.7.2 LANGUAGES C CXX)
 
 #--- musrfit specific options -------------------------------------------------
 option(nexus "build optional NeXus support. Needed for ISIS" OFF)
diff --git a/ChangeLog b/ChangeLog
index a1dd2273..e32b9ab4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,7 +12,19 @@ or
 
 https://bitbucket.org/muonspin/musrfit/commits/all
 
-Release of V1.7.0, 2021/03/30
+Release of V1.7.2, 2021/04/16
+=============================
+
+add a full dummy user function class with a global part. This can be used as 
+a starting point to develop new polarization functions. 
+Currently no rge-handling present.
+
+Release of V1.7.1, 2021/04/09
+=============================
+
+update of the docu. More version info. Dealing with the upcoming ROOT V6.24.
+
+Release of V1.7.0, 2021/04/30
 =============================
 
 Centralize the rge-handling for user functions.