diff --git a/.idea/libraries/Gradle__com_google_guava_guava_18_0.xml b/.idea/libraries/Gradle__com_google_guava_guava_18_0.xml
deleted file mode 100644
index 71d7b90..0000000
--- a/.idea/libraries/Gradle__com_google_guava_guava_18_0.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.google.guava:guava:18.0">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/18.0/cce0823396aa693798f8882e64213b1772032b09/guava-18.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/18.0/ad97fe8faaf01a3d3faacecd58e8fa6e78a973ca/guava-18.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_sksamuel_koors_koors_0_90_0.xml b/.idea/libraries/Gradle__com_sksamuel_koors_koors_0_90_0.xml
deleted file mode 100644
index d8eb3fd..0000000
--- a/.idea/libraries/Gradle__com_sksamuel_koors_koors_0_90_0.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.sksamuel.koors:koors:0.90.0">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.sksamuel.koors/koors/0.90.0/cbeea25c36a797332d74e7a95d3f1788c458a07b/koors-0.90.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.sksamuel.koors/koors/0.90.0/35446ca4de1c1f8727470afdd22296c6716af45/koors-0.90.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index a51701c..eafa809 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ group = 'com.github.kotlin-graphics'
 
 buildscript {
 
-    ext.kotlinVersion = '1.2-M2'
+    ext.kotlinVersion = '1.2.0-rc-39'
 
     repositories {
         jcenter()   // shadow
@@ -28,11 +28,11 @@ dependencies {
 
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
 
-    testCompile 'com.github.elect86:kotlintest:43281b7e1b98a12e832397f464a938e97021adde'
+    testCompile 'io.kotlintest:kotlintest:2.0.7'
 
-    compile "com.github.kotlin-graphics:glm:a7098f133c1804969135e93be469a80b35ff0a45"
+    compile "com.github.kotlin-graphics:glm:dc299f80f3dca9d3e8b793641da03db1702df58c"
 
-    compile "net.java.dev.jna:jna:4.4.0"
+    compile "net.java.dev.jna:jna:4.5.0"
 }
 
 repositories {
diff --git a/src/main/kotlin/openvr/EventListener.kt b/src/main/kotlin/openvr/EventListener.kt
index 4162a6f..2fe0344 100644
--- a/src/main/kotlin/openvr/EventListener.kt
+++ b/src/main/kotlin/openvr/EventListener.kt
@@ -47,6 +47,7 @@ open class EventListener(val hmd: IVRSystem) {
     }
 
     private fun process() {
+        if(event.eventType_internal == 10005) return // bug https://github.com/ValveSoftware/openvr/issues/420
         when (event.eventType) {
             EVREventType.TrackedDeviceActivated -> updateRoles().also { trackedDeviceActivated(event.trackedDeviceIndex == left) }
             EVREventType.TrackedDeviceDeactivated -> updateRoles().also { trackedDeviceDeactivated(event.trackedDeviceIndex == left) }
diff --git a/src/main/kotlin/openvr/lib/openvr.kt b/src/main/kotlin/openvr/lib/openvr.kt
index 0fe4444..b9eefb0 100644
--- a/src/main/kotlin/openvr/lib/openvr.kt
+++ b/src/main/kotlin/openvr/lib/openvr.kt
@@ -42,6 +42,7 @@ open class VkPhysicalDevice_T : Structure {
     class ByReference : VkPhysicalDevice_T(), Structure.ByReference
     class ByValue : VkPhysicalDevice_T(), Structure.ByValue
 }
+
 open class VkInstance_T : Structure {
 
     constructor()