diff --git a/vcnet/config.h b/vcnet/config.h
index 82dce971..6bd39de3 100644
--- a/vcnet/config.h
+++ b/vcnet/config.h
@@ -86,7 +86,7 @@ typedef unsigned long useconds_t;
 
 
 // Version number
-#define IPPSAMPLE_VERSION "2023.04"
+#define IPPSAMPLE_VERSION "2023.09"
 
 
 // PAM support
diff --git a/xcode/config.h b/xcode/config.h
index 9bfc20e5..143fa35e 100644
--- a/xcode/config.h
+++ b/xcode/config.h
@@ -12,7 +12,7 @@
 
 
 // Version number
-#define IPPSAMPLE_VERSION "2023.04"
+#define IPPSAMPLE_VERSION "2023.09"
 
 
 // PAM support