--- a/dist/dist.pro
+++ b/dist/dist.pro
@@ -2,7 +2,7 @@
 
 # map Qt version to ICU versions
 equals(QT_MAJOR_VERSION, 5) {
-	equals(QT_MINOR_VERSION, 9): ICU_VERSION = 56
+	equals(QT_MINOR_VERSION, 15): ICU_VERSION = 67
 }
 isEmpty(ICU_VERSION) {
 	error(Unknown QT version)