diff --git a/AirConnect-1.3.4.zip b/AirConnect-1.4.0.zip
similarity index 82%
rename from AirConnect-1.3.4.zip
rename to AirConnect-1.4.0.zip
index 730aa64f..7f6484b5 100644
Binary files a/AirConnect-1.3.4.zip and b/AirConnect-1.4.0.zip differ
diff --git a/CHANGELOG b/CHANGELOG
index 9a0453e2..e505fa9f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+1.4.0
+ - proper fix of HTTP frame sending & filling
+ 
 1.3.4
  - libraop was sending 1 instead of 0 on icy retransmit since day one ... can't believe it
  
diff --git a/aircast/src/aircast.h b/aircast/src/aircast.h
index 7a0fab04..fe9b3304 100644
--- a/aircast/src/aircast.h
+++ b/aircast/src/aircast.h
@@ -18,7 +18,7 @@
 #include "raop_server.h"
 #include "cast_util.h"
 
-#define VERSION "v1.3.4"" ("__DATE__" @ "__TIME__")"
+#define VERSION "v1.4.0"" ("__DATE__" @ "__TIME__")"
 
 /*----------------------------------------------------------------------------*/
 /* typedefs */
diff --git a/airupnp/src/airupnp.h b/airupnp/src/airupnp.h
index 7162bd9f..e4af3545 100644
--- a/airupnp/src/airupnp.h
+++ b/airupnp/src/airupnp.h
@@ -21,7 +21,7 @@
 #include "cross_util.h"
 #include "metadata.h"
 
-#define VERSION "v1.3.4"" ("__DATE__" @ "__TIME__")"
+#define VERSION "v1.4.0"" ("__DATE__" @ "__TIME__")"
 
 /*----------------------------------------------------------------------------*/
 /* typedefs */
diff --git a/common/libraop b/common/libraop
index f168291a..7a933147 160000
--- a/common/libraop
+++ b/common/libraop
@@ -1 +1 @@
-Subproject commit f168291add1bea1bcacff7e4d9c85333d4d01e33
+Subproject commit 7a9331477f41695b9b4d209bd1b7391be7091ce7