diff --git a/build/Android.common_build.mk b/build/Android.common_build.mk
index fc4dd55..123bcaa 100644
--- a/build/Android.common_build.mk
+++ b/build/Android.common_build.mk
@@ -296,8 +296,8 @@
 ifdef ART_IMT_SIZE
   art_cflags += -DIMT_SIZE=$(ART_IMT_SIZE)
 else
-  # Default is 64
-  art_cflags += -DIMT_SIZE=64
+  # Default is 43
+  art_cflags += -DIMT_SIZE=43
 endif
 
 ifeq ($(ART_HEAP_POISONING),true)
diff --git a/runtime/oat.h b/runtime/oat.h
index 286394e..52d4c42 100644
--- a/runtime/oat.h
+++ b/runtime/oat.h
@@ -32,7 +32,7 @@
 class PACKED(4) OatHeader {
  public:
   static constexpr uint8_t kOatMagic[] = { 'o', 'a', 't', '\n' };
-  static constexpr uint8_t kOatVersion[] = { '0', '8', '0', '\0' };
+  static constexpr uint8_t kOatVersion[] = { '0', '8', '1', '\0' };
 
   static constexpr const char* kImageLocationKey = "image-location";
   static constexpr const char* kDex2OatCmdLineKey = "dex2oat-cmdline";