diff --git a/VERSION b/VERSION
index 690d92532baf..c5813fb1bfc7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.3.1a1
+1.3.1a2
diff --git a/gcore/gdal_version.h b/gcore/gdal_version.h
index ad91ba35e0ab..7455de5869a8 100644
--- a/gcore/gdal_version.h
+++ b/gcore/gdal_version.h
@@ -18,6 +18,6 @@
 #  define GDAL_RELEASE_DATE     20050929
 #endif
 #ifndef GDAL_RELEASE_NAME
-#  define GDAL_RELEASE_NAME     "1.3.1.0a1"
+#  define GDAL_RELEASE_NAME     "1.3.1.0a2"
 #endif