diff --git a/mkvmuxer/mkvmuxerutil.cc b/mkvmuxer/mkvmuxerutil.cc
index bd2f769..300b155 100644
--- a/mkvmuxer/mkvmuxerutil.cc
+++ b/mkvmuxer/mkvmuxerutil.cc
@@ -607,7 +607,7 @@
 void GetVersion(int32* major, int32* minor, int32* build, int32* revision) {
   *major = 0;
   *minor = 3;
-  *build = 0;
+  *build = 1;
   *revision = 0;
 }
 
diff --git a/mkvparser/mkvparser.cc b/mkvparser/mkvparser.cc
index fea1124..5d583dc 100644
--- a/mkvparser/mkvparser.cc
+++ b/mkvparser/mkvparser.cc
@@ -55,7 +55,7 @@
 void GetVersion(int& major, int& minor, int& build, int& revision) {
   major = 1;
   minor = 1;
-  build = 0;
+  build = 1;
   revision = 0;
 }