diff --git a/Make.config b/Make.config
index e4984e822596..1d6a3d8798f8 100644
--- a/Make.config
+++ b/Make.config
@@ -40,7 +40,7 @@ IOS_PRODUCT=Xamarin.iOS
 IOS_PACKAGE_NAME=Xamarin.iOS
 IOS_PACKAGE_NAME_LOWER=$(shell echo $(IOS_PACKAGE_NAME) | tr "[:upper:]" "[:lower:]")
 # NEVER customize IOS_PACKAGE_VERSION itself, other parts (mtouch, web updater) are using the IOS_PACKAGE_VERSION_* variables
-IOS_PACKAGE_VERSION=10.13.0.$(IOS_COMMIT_DISTANCE)
+IOS_PACKAGE_VERSION=10.15.0.$(IOS_COMMIT_DISTANCE)
 IOS_PACKAGE_VERSION_MAJOR=$(word 1, $(subst ., ,$(IOS_PACKAGE_VERSION)))
 IOS_PACKAGE_VERSION_MINOR=$(word 2, $(subst ., ,$(IOS_PACKAGE_VERSION)))
 IOS_PACKAGE_VERSION_REV=$(word 3, $(subst ., ,$(IOS_PACKAGE_VERSION)))
@@ -248,7 +248,7 @@ MAC_PRODUCT=Xamarin.Mac
 MAC_PACKAGE_NAME=xamarin.mac
 MAC_PACKAGE_NAME_LOWER=$(shell echo $(MAC_PACKAGE_NAME) | tr "[:upper:]" "[:lower:]")
 
-MAC_PACKAGE_VERSION=3.7.0.$(MAC_COMMIT_DISTANCE)
+MAC_PACKAGE_VERSION=3.9.0.$(MAC_COMMIT_DISTANCE)
 MAC_PACKAGE_VERSION_MAJOR=$(word 1, $(subst ., ,$(MAC_PACKAGE_VERSION)))
 MAC_PACKAGE_VERSION_MINOR=$(word 2, $(subst ., ,$(MAC_PACKAGE_VERSION)))
 MAC_PACKAGE_VERSION_REV=$(word 3, $(subst ., ,$(MAC_PACKAGE_VERSION)))