diff --git a/makefiles/Makefile.port.mk b/makefiles/Makefile.port.mk
index 18726341e7..a72bc9e2ed 100644
--- a/makefiles/Makefile.port.mk
+++ b/makefiles/Makefile.port.mk
@@ -119,7 +119,7 @@ ifeq ($(SYSTEM),unix)
     else
       JAVA_HOME ?= $(shell /usr/libexec/java_home)
     endif
-    MAC_MIN_VERSION = 10.14
+    MAC_MIN_VERSION = 10.15
   endif # ($(OS),Darwin)
 endif # ($(SYSTEM),unix)