diff --git a/documentation/pestpp4.3.21.docx b/documentation/pestpp4.3.21.docx
deleted file mode 100644
index baab98612..000000000
Binary files a/documentation/pestpp4.3.21.docx and /dev/null differ
diff --git a/documentation/pestpp5.0.0.docx b/documentation/pestpp5.0.0.docx
new file mode 100644
index 000000000..20d1e1427
Binary files /dev/null and b/documentation/pestpp5.0.0.docx differ
diff --git a/src/libs/common/config_os.h b/src/libs/common/config_os.h
index 4cff95e85..033912770 100644
--- a/src/libs/common/config_os.h
+++ b/src/libs/common/config_os.h
@@ -2,7 +2,7 @@
 #define CONFIG_OS_H_
 
 
-#define PESTPP_VERSION "4.3.22";
+#define PESTPP_VERSION "5.0.0";
 
 #if defined(_WIN32) || defined(_WIN64)
 #define OS_WIN