diff --git a/build.gradle b/build.gradle
index d98bca1..a3c2a9c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.6.3'
+        classpath 'com.android.tools.build:gradle:0.7.+'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fb29364..1f36edb 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.8-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.9-bin.zip
diff --git a/library/build.gradle b/library/build.gradle
index 38dc82e..39232fa 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.6.3'
+        classpath 'com.android.tools.build:gradle:0.7.+'
     }
 }
 apply plugin: 'android-library'
diff --git a/library/src/main/java/com/etsy/android/grid/StaggeredGridView.java b/library/src/main/java/com/etsy/android/grid/StaggeredGridView.java
index 000826b..81d22ca 100644
--- a/library/src/main/java/com/etsy/android/grid/StaggeredGridView.java
+++ b/library/src/main/java/com/etsy/android/grid/StaggeredGridView.java
@@ -16,8 +16,6 @@
 
 package com.etsy.android.grid;
 
-import java.util.Arrays;
-
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Parcel;
@@ -28,6 +26,8 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import java.util.Arrays;
+
 /**
  * A staggered grid view which supports multiple columns with rows of varying sizes.
  * <p/>
@@ -264,7 +264,7 @@ protected void onMeasureChild(final View child, final LayoutParams layoutParams)
                 childHeightSpec = MeasureSpec.makeMeasureSpec(layoutParams.height, MeasureSpec.EXACTLY);
             }
             else {
-                childHeightSpec = MeasureSpec.makeMeasureSpec(LayoutParams.WRAP_CONTENT, MeasureSpec.EXACTLY);
+                childHeightSpec = MeasureSpec.makeMeasureSpec(LayoutParams.WRAP_CONTENT, MeasureSpec.UNSPECIFIED);
             }
             child.measure(childWidthSpec, childHeightSpec);
         }
diff --git a/sample/build.gradle b/sample/build.gradle
index d4ecd82..3a3ff93 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.6.3'
+        classpath 'com.android.tools.build:gradle:0.7.+'
     }
 }
 apply plugin: 'android'