diff --git a/BinaryProjects/AppNexusSDK/Info.plist b/BinaryProjects/AppNexusSDK/Info.plist
index d09936542..84131f120 100644
--- a/BinaryProjects/AppNexusSDK/Info.plist
+++ b/BinaryProjects/AppNexusSDK/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.5</string>
+	<string>4.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index f0f5ed8a2..40c4f7fa1 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,3 +1,7 @@
+## 4.6
+### New Features
++ MS-2113 -- Support autocollapse of interstitials
++ MS-3178 -- Implement exposureChange event
 
 ## 4.5
 ### New Features
diff --git a/sdk/internal/ANGlobal.h b/sdk/internal/ANGlobal.h
index 69e05be64..ae61a7ba9 100644
--- a/sdk/internal/ANGlobal.h
+++ b/sdk/internal/ANGlobal.h
@@ -27,7 +27,7 @@
 #define AN_ERROR_TABLE @"errors"
 
 #define AN_DEFAULT_PLACEMENT_ID		@"default_placement_id"
-#define AN_SDK_VERSION                  @"4.5"
+#define AN_SDK_VERSION                  @"4.6"
 
 #define APPNEXUS_BANNER_SIZE		CGSizeMake(320, 50)
 #define APPNEXUS_MEDIUM_RECT_SIZE	CGSizeMake(300, 250)