diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e115356..e1f2aa74 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ ensure_out_of_source_build( "
 # set BamTools version information
 set( BamTools_VERSION_MAJOR 2 )
 set( BamTools_VERSION_MINOR 4 )
-set( BamTools_VERSION_BUILD 0 )
+set( BamTools_VERSION_BUILD 1 )
 
 # set our library and executable destination dirs
 set( EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin" )
diff --git a/docs/Doxyfile b/docs/Doxyfile
index c89c5a58..6c8f51be 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = BamTools
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.4.0
+PROJECT_NUMBER         = 2.4.1
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
diff --git a/src/api/CMakeLists.txt b/src/api/CMakeLists.txt
index 32edcff1..4d5838b8 100644
--- a/src/api/CMakeLists.txt
+++ b/src/api/CMakeLists.txt
@@ -34,7 +34,7 @@ set( BamToolsAPISources
 # create main BamTools API shared library
 add_library( BamTools SHARED ${BamToolsAPISources} )
 set_target_properties( BamTools PROPERTIES
-                       SOVERSION "2.4.0"
+                       SOVERSION "2.4.1"
                        OUTPUT_NAME "bamtools" )
 
 # create main BamTools API static library
diff --git a/src/toolkit/CMakeLists.txt b/src/toolkit/CMakeLists.txt
index c781148e..cc76b35b 100644
--- a/src/toolkit/CMakeLists.txt
+++ b/src/toolkit/CMakeLists.txt
@@ -31,7 +31,7 @@ add_executable( bamtools_cmd
 
 # set BamTools application properties
 set_target_properties( bamtools_cmd PROPERTIES
-                       VERSION  2.4.0
+                       VERSION  2.4.1
                        OUTPUT_NAME "bamtools"
                      )
 # make version info available in application