diff --git a/src/dec/vp8i.h b/src/dec/vp8i.h
index b999ec12..9406b754 100644
--- a/src/dec/vp8i.h
+++ b/src/dec/vp8i.h
@@ -28,7 +28,7 @@ extern "C" {
 // version numbers
 #define DEC_MAJ_VERSION 0
 #define DEC_MIN_VERSION 1
-#define DEC_REV_VERSION 3
+#define DEC_REV_VERSION 99
 
 #define ONLY_KEYFRAME_CODE      // to remove any code related to P-Frames
 
diff --git a/src/enc/vp8enci.h b/src/enc/vp8enci.h
index 0a2661bc..17ae2621 100644
--- a/src/enc/vp8enci.h
+++ b/src/enc/vp8enci.h
@@ -27,7 +27,7 @@ extern "C" {
 // version numbers
 #define ENC_MAJ_VERSION 0
 #define ENC_MIN_VERSION 1
-#define ENC_REV_VERSION 3
+#define ENC_REV_VERSION 99
 
 // size of histogram used by CollectHistogram.
 #define MAX_COEFF_THRESH   64