diff --git a/Core/Samples/inc/BAVersion.h b/Core/Samples/inc/BAVersion.h
index 0eca23da93c3573c879053d1ded36b35b7cef761..c59b8e570c8517ec7bfbfc457114606d55705abc 100644
--- a/Core/Samples/inc/BAVersion.h
+++ b/Core/Samples/inc/BAVersion.h
@@ -23,7 +23,7 @@
 namespace BornAgain {
     const int major_version_number = 1;
     const int minor_version_number = 5;
-    const int patch_version_number = 0;
+    const int patch_version_number = 1;
 
     inline int GetMajorVersionNumber() { return major_version_number; }
     inline int GetMinorVersionNumber() { return minor_version_number; }
diff --git a/Doc/Doxygen/Doxyfile b/Doc/Doxygen/Doxyfile
index f0e54c195426166b8497495289752d62a08b9c2f..ed7f2166ff5673537204edcfad64f60afe3dfb36 100644
--- a/Doc/Doxygen/Doxyfile
+++ b/Doc/Doxygen/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "BornAgain"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.5.0
+PROJECT_NUMBER         = 1.5.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a