diff --git a/README.md b/README.md
index 3e18bc0..f7a054f 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,8 @@ Here are all the **FloatingActionButton**'s xml attributes with their **default
         app:fab_progress_indeterminate="false"
         app:fab_progress_max="100"
         app:fab_progress="0"
-        app:fab_progress_showBackground="true"/>
+        app:fab_progress_showBackground="true"
+        app:fab_progress_width="6dp"/>
 ```
 All of these **FloatingActionButton**'s attributes has their corresponding getters and setters. So you can set them **programmatically**.
 
diff --git a/library/src/main/java/com/github/clans/fab/FloatingActionButton.java b/library/src/main/java/com/github/clans/fab/FloatingActionButton.java
index ea72dd2..e98384c 100755
--- a/library/src/main/java/com/github/clans/fab/FloatingActionButton.java
+++ b/library/src/main/java/com/github/clans/fab/FloatingActionButton.java
@@ -135,6 +135,7 @@ private void init(Context context, AttributeSet attrs, int defStyleAttr) {
         mProgressBackgroundColor = attr.getColor(R.styleable.FloatingActionButton_fab_progress_backgroundColor, 0x4D000000);
         mProgressMax = attr.getInt(R.styleable.FloatingActionButton_fab_progress_max, mProgressMax);
         mShowProgressBackground = attr.getBoolean(R.styleable.FloatingActionButton_fab_progress_showBackground, true);
+        mProgressWidth = attr.getDimensionPixelSize(R.styleable.FloatingActionButton_fab_progress_width, mProgressWidth);
 
         if (attr.hasValue(R.styleable.FloatingActionButton_fab_progress)) {
             mProgress = attr.getInt(R.styleable.FloatingActionButton_fab_progress, 0);
@@ -1124,6 +1125,14 @@ public void setElevation(float elevation) {
         }
     }
 
+    public int getProgressBarWidth() {
+        return mProgressWidth;
+    }
+
+    public void setProgressBarWidth(float width) {
+        mProgressWidth = Util.dpToPx(getContext(), width);
+    }
+
     /**
      * Sets the shadow color and radius to mimic the native elevation.
      *
diff --git a/library/src/main/res/values/attrs.xml b/library/src/main/res/values/attrs.xml
index 6348758..0eec6e3 100755
--- a/library/src/main/res/values/attrs.xml
+++ b/library/src/main/res/values/attrs.xml
@@ -25,6 +25,7 @@
         <attr name="fab_progress_max" format="integer" />
         <attr name="fab_progress" format="integer" />
         <attr name="fab_progress_showBackground" format="boolean" />
+        <attr name="fab_progress_width" format="dimension" />
     </declare-styleable>
 
     <declare-styleable name="FloatingActionMenu">