diff --git a/Charts/Classes/Components/ChartYAxis.swift b/Charts/Classes/Components/ChartYAxis.swift
index 6c23b76446..2646ed2678 100644
--- a/Charts/Classes/Components/ChartYAxis.swift
+++ b/Charts/Classes/Components/ChartYAxis.swift
@@ -103,6 +103,14 @@ public class ChartYAxis: ChartAxisBase
     /// **default**: 0.0 (no maximum specified)
     public var maxWidth = CGFloat(0)
     
+    /// if true, axis values will be repeated
+    public var allowRepeatedValues = false
+    
+    /// the minimum diference value of the axis values
+    ///
+    /// **default**: 1
+    public var granuality = Double(1.0)
+    
     public override init()
     {
         super.init()
diff --git a/Charts/Classes/Renderers/ChartYAxisRenderer.swift b/Charts/Classes/Renderers/ChartYAxisRenderer.swift
index d2ee98e4a7..5171f5681a 100644
--- a/Charts/Classes/Renderers/ChartYAxisRenderer.swift
+++ b/Charts/Classes/Renderers/ChartYAxisRenderer.swift
@@ -70,6 +70,10 @@ public class ChartYAxisRenderer: ChartAxisRendererBase
         
         let rawInterval = range / Double(labelCount)
         var interval = ChartUtils.roundToNextSignificant(number: Double(rawInterval))
+        if !_yAxis.allowRepeatedValues
+        {
+            interval = interval < _yAxis.granuality ? _yAxis.granuality : interval
+        }
         let intervalMagnitude = pow(10.0, round(log10(interval)))
         let intervalSigDigit = (interval / intervalMagnitude)
         if (intervalSigDigit > 5)
diff --git a/ChartsDemo/Classes/Demos/CombinedChartViewController.m b/ChartsDemo/Classes/Demos/CombinedChartViewController.m
index f05827fc39..4ffbb49171 100644
--- a/ChartsDemo/Classes/Demos/CombinedChartViewController.m
+++ b/ChartsDemo/Classes/Demos/CombinedChartViewController.m
@@ -54,9 +54,11 @@ - (void)viewDidLoad
     
     ChartYAxis *rightAxis = _chartView.rightAxis;
     rightAxis.drawGridLinesEnabled = NO;
+    rightAxis.granuality = 0.1;
     
     ChartYAxis *leftAxis = _chartView.leftAxis;
     leftAxis.drawGridLinesEnabled = NO;
+    leftAxis.granuality = 0.1;
     
     ChartXAxis *xAxis = _chartView.xAxis;
     xAxis.labelPosition = XAxisLabelPositionBothSided;
diff --git a/ChartsDemo/Classes/Demos/LineChart2ViewController.m b/ChartsDemo/Classes/Demos/LineChart2ViewController.m
index bffeb7bd4d..ff6d1b52e0 100644
--- a/ChartsDemo/Classes/Demos/LineChart2ViewController.m
+++ b/ChartsDemo/Classes/Demos/LineChart2ViewController.m
@@ -75,6 +75,7 @@ - (void)viewDidLoad
     leftAxis.labelTextColor = [UIColor colorWithRed:51/255.f green:181/255.f blue:229/255.f alpha:1.f];
     leftAxis.customAxisMax = 200.0;
     leftAxis.drawGridLinesEnabled = YES;
+    leftAxis.allowRepeatedValues = false;
     
     ChartYAxis *rightAxis = _chartView.rightAxis;
     rightAxis.labelTextColor = UIColor.redColor;
@@ -82,6 +83,7 @@ - (void)viewDidLoad
     rightAxis.startAtZeroEnabled = NO;
     rightAxis.customAxisMin = -200.0;
     rightAxis.drawGridLinesEnabled = NO;
+    rightAxis.allowRepeatedValues = true;
     
     _sliderX.value = 19.0;
     _sliderY.value = 30.0;
diff --git a/ChartsDemo/Classes/Demos/LineChart2ViewController.xib b/ChartsDemo/Classes/Demos/LineChart2ViewController.xib
index eb70c43187..895b559e64 100644
--- a/ChartsDemo/Classes/Demos/LineChart2ViewController.xib
+++ b/ChartsDemo/Classes/Demos/LineChart2ViewController.xib
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="7519.1" systemVersion="14C1510" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7513.1"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="LineChart2ViewController">