diff --git a/CHANGELOG b/CHANGELOG
index b8173ed7..9f050249 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+3.2.3
+2021-05-24
+Auto detect OpenGL version to better support (especially) Windows installs (fix #184)
+Correct initial sample rate value (fix #185)
+Well structured verbosity option to explore and debug program sequence 
+
 3.2.2
 2021-04-18
 New JSON exporter
diff --git a/docs/OpenHantek6022_User_Manual.odt b/docs/OpenHantek6022_User_Manual.odt
index 124d12bd..ebf58f65 100644
Binary files a/docs/OpenHantek6022_User_Manual.odt and b/docs/OpenHantek6022_User_Manual.odt differ
diff --git a/docs/OpenHantek6022_User_Manual.pdf b/docs/OpenHantek6022_User_Manual.pdf
index 1d0128f8..6e358fc1 100644
Binary files a/docs/OpenHantek6022_User_Manual.pdf and b/docs/OpenHantek6022_User_Manual.pdf differ
diff --git a/openhantek/src/OH_BUILD.h b/openhantek/src/OH_BUILD.h
index 513c8723..9a54f317 100644
--- a/openhantek/src/OH_BUILD.h
+++ b/openhantek/src/OH_BUILD.h
@@ -1,2 +1,2 @@
 // Do not edit, will be re-created at each commit!
-#define OH_BUILD "20210522 - commit 907"
+#define OH_BUILD "20210524 - commit 908"
diff --git a/openhantek/src/OH_VERSION.h b/openhantek/src/OH_VERSION.h
index d62be008..cbfa1502 100644
--- a/openhantek/src/OH_VERSION.h
+++ b/openhantek/src/OH_VERSION.h
@@ -7,7 +7,7 @@
 
 // next line shall define either OH_VERSION or LAST_OH_VERSION
 //
-#define LAST_OH_VERSION "3.2.2"
+#define OH_VERSION "3.2.3"
 
 
 // do not edit below