diff --git a/configure.ac b/configure.ac
index a71136a..5b68570 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,9 +4,9 @@
 # make sure we're interpreted by some minimal autoconf
 AC_PREREQ(2.57)
 
-AC_INIT(open-vcdiff, 0.8, opensource@google.com)
+AC_INIT(open-vcdiff, 0.8.1, opensource@google.com)
 AC_CONFIG_SRCDIR(README)
-AC_CONFIG_MACRO_DIR([m4 gflags/m4])
+AC_CONFIG_MACRO_DIR(m4)
 AM_INIT_AUTOMAKE
 AM_CONFIG_HEADER(src/config.h)
 
@@ -17,12 +17,6 @@
 AM_CONDITIONAL(GCC, test "$GCC" = yes)   # let the Makefile know if we're gcc
 AC_CANONICAL_HOST
 
-# Issue #21:  Fail to test on MinGW 5.1.4
-# Disabling fast install keeps libtool from creating wrapper scripts around
-# the executables it builds.  Such scripts have caused failures on MinGW.
-# Using this option means an extra link step is executed during "make install".
-AC_DISABLE_FAST_INSTALL
-
 LT_INIT
 AC_PROG_LIBTOOL
 AC_SUBST(LIBTOOL_DEPS)