diff --git a/Package.swift b/Package.swift
index 1fee31e..dc6b054 100644
--- a/Package.swift
+++ b/Package.swift
@@ -7,7 +7,7 @@ import CoreGraphics
 let package = Package(
     name: "SwiftMath",
     defaultLocalization: "en",
-    platforms: [.iOS(.v10), .macOS(.v11)],
+    platforms: [.iOS(.v11), .macOS(.v11)],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
diff --git a/Sources/SwiftMath/MathRender/MTFontManager.swift b/Sources/SwiftMath/MathRender/MTFontManager.swift
index 06dd55f..4b5a082 100644
--- a/Sources/SwiftMath/MathRender/MTFontManager.swift
+++ b/Sources/SwiftMath/MathRender/MTFontManager.swift
@@ -9,7 +9,7 @@ import Foundation
 
 public class MTFontManager {
     
-    static var manager:MTFontManager? = nil
+    static public var manager:MTFontManager? = nil
     
     let kDefaultFontSize = CGFloat(20)