diff --git a/build.gradle b/build.gradle
index 217f4fb1..10552ddf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ buildscript {
     ext.MIN_SDK_VERSION = 15
     ext.TARGET_SDK_VERSION = 25
     ext.SUPPORT_ARTIFACT_VERSION = "25.1.1"
-    ext.CONSTRAINT_LAYOUT_ARTIFACT_VERSION = "1.1.0-beta3"
+    ext.CONSTRAINT_LAYOUT_ARTIFACT_VERSION = "1.1.0-beta4"
 
     ext.PROJECT_URL = 'https://github.com/JetBrains/anko'
     ext.SCM_URL = 'https://github.com/JetBrains/anko.git'
diff --git a/update_dependencies.xml b/update_dependencies.xml
index de99cca8..93a1b7ae 100644
--- a/update_dependencies.xml
+++ b/update_dependencies.xml
@@ -1,6 +1,6 @@
 <project name="Update Dependencies" default="update">
 
-    <property name="constraint.layout.version" value="1.1.0-beta3" />
+    <property name="constraint.layout.version" value="1.1.0-beta4" />
 
     <target name="update">
         <mkdir dir="dependencies/download"/>
@@ -20,7 +20,7 @@
 	    <get src="http://repo1.maven.org/maven2/ant-contrib/ant-contrib/1.0b3/ant-contrib-1.0b3.jar"
              dest="dependencies/ant-contrib.jar" usetimestamp="true"/>
 
-        <get src="https://dl.google.com/dl/android/maven2/com/android/support/constraint/constraint-layout/1.1.0-beta3/constraint-layout-1.1.0-beta3.aar"
+        <get src="https://dl.google.com/dl/android/maven2/com/android/support/constraint/constraint-layout/${constraint.layout.version}/constraint-layout-${constraint.layout.version}.aar"
              dest="dependencies/download/constraint-layout-${constraint.layout.version}.aar" usetimestamp="true"/>
 
         <copy file="dependencies/download/constraint-layout-${constraint.layout.version}.aar"