diff --git a/intervalmusiccompositor.app/gradle.properties b/intervalmusiccompositor.app/gradle.properties
index 8cc5469..76ba089 100644
--- a/intervalmusiccompositor.app/gradle.properties
+++ b/intervalmusiccompositor.app/gradle.properties
@@ -1 +1 @@
-version = 2.6.3
+version = 2.6.4
diff --git a/intervalmusiccompositor.app/src/main/resources/imc.properties b/intervalmusiccompositor.app/src/main/resources/imc.properties
index 40ad6c8..6f519e5 100644
--- a/intervalmusiccompositor.app/src/main/resources/imc.properties
+++ b/intervalmusiccompositor.app/src/main/resources/imc.properties
@@ -1,3 +1,3 @@
 # General program settings
 imc.name = Interval Music Compositor
-imc.version = 2.6.3
+imc.version = 2.6.4
diff --git a/intervalmusiccompositor.build/documentation/retorte_IntervalMusicCompositor_changelog.txt b/intervalmusiccompositor.build/documentation/retorte_IntervalMusicCompositor_changelog.txt
index fdeac2d..519b596 100644
--- a/intervalmusiccompositor.build/documentation/retorte_IntervalMusicCompositor_changelog.txt
+++ b/intervalmusiccompositor.build/documentation/retorte_IntervalMusicCompositor_changelog.txt
@@ -1,9 +1,9 @@
 retorte laboratories (retorte.ch) IntervalMusicCompositor change log
 --------------------------------------------------------------------------------
 
-2017-xx-xx  2.6.4
+2017-02-07  2.6.4
 --------------------------------------------------------------------------------
-FIX         Adapted version check URL to new server address.
+IMP         Adapted version check URL to new server address.
 ADD  #20    Check update dialog contains link to latest software version download.
 FIX  #19    Changing/writing BPM not possible.
 FIX  #21    Software sometimes does not terminate after quitting.