diff --git a/main.c b/main.c
index f83b70f..469b057 100644
--- a/main.c
+++ b/main.c
@@ -342,7 +342,7 @@ int main(int argc, char **argv) {
     exit(1);
 
   if (mf < 0) {
-    fprintf(stderr, "Marinetti 3.0b3 or greater is required.\n");
+    fprintf(stderr, "Marinetti 3.0b11 or greater is required.\n");
     exit(1);
   }
 
diff --git a/nda.c b/nda.c
index 3ba7e4f..0c1305e 100644
--- a/nda.c
+++ b/nda.c
@@ -379,9 +379,9 @@ GrafPortPtr NDAOpen(void) {
     ToolsLoaded = true;
   }
 
-  if (TCPIPLongVersion() < 0x03006010) {
+  if (TCPIPLongVersion() < 0x03006011) {
     AlertWindow(awCString, NULL,
-                (Ref) "24~Marinetti 3.0b10 or newer required.~^Ok");
+                (Ref) "24~Marinetti 3.0b11 or newer required.~^Ok");
     return NULL;
   }