diff --git a/configure.ac b/configure.ac
index c024d2d222b..2c5f194e6f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.60])
-AC_INIT([libfabric], [2.0.0rc1], [ofiwg@lists.openfabrics.org])
+AC_INIT([libfabric], [2.1.0a1], [ofiwg@lists.openfabrics.org])
 AC_CONFIG_SRCDIR([src/fabric.c])
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR(config)
diff --git a/fabtests/configure.ac b/fabtests/configure.ac
index 9c864c1dd10..29f816b4993 100644
--- a/fabtests/configure.ac
+++ b/fabtests/configure.ac
@@ -5,7 +5,7 @@ dnl
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.57)
-AC_INIT([fabtests], [2.0.0rc1], [ofiwg@lists.openfabrics.org])
+AC_INIT([fabtests], [2.1.0a1], [ofiwg@lists.openfabrics.org])
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR(config)
 AC_CONFIG_HEADERS(config.h)
diff --git a/include/windows/config.h b/include/windows/config.h
index 3fbef1b09a4..b3676930873 100644
--- a/include/windows/config.h
+++ b/include/windows/config.h
@@ -256,7 +256,7 @@
 #define PACKAGE_TARNAME PACKAGE
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "2.0.0rc1"
+#define PACKAGE_VERSION "2.1.0a1"
 
 /* Define to the full name and version of this package. */
 #define PACKAGE_STRING PACKAGE_NAME " " PACKAGE_VERSION