diff --git a/autofiles.sums b/autofiles.sums
index 343f55a8..356ff35b 100644
--- a/autofiles.sums
+++ b/autofiles.sums
@@ -1,4 +1,4 @@
-8c3e1ef9d80ed78ff16bb0b456f87cd1fae638b799b6cfed9c7656b9000933c1  configure.ac
+c9145eb1957c953f3b19506370275e64fa56bd0a206eaa108fd48b7dcc2f3abf  configure.ac
 d3f9ee6f6f0846888d9a10fd3dad2e4b1258be84205426cf04d7cef02d61dad7  aclocal.m4
 2e4cd495837be1b8454a4d8aef541b000988634be89d9c05a9cf5de67dffef5e  libqpdf/qpdf/qpdf-config.h.in
 5297971a0ef90bcd5563eb3f7127a032bb76d3ae2af7258bf13479caf8983a60  m4/ax_cxx_compile_stdcxx.m4
diff --git a/configure b/configure
index 18cb1c4b..2cf1ae9d 100755
--- a/configure
+++ b/configure
@@ -16197,7 +16197,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 # LT = libtool
 LT_CURRENT=27
 LT_AGE=1
-LT_REVISION=0
+LT_REVISION=1
 
 
 
diff --git a/configure.ac b/configure.ac
index 5d1cb746..95ec8c7c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,7 +54,7 @@ LT_INIT([win32-dll])
 # LT = libtool
 LT_CURRENT=27
 LT_AGE=1
-LT_REVISION=0
+LT_REVISION=1
 AC_SUBST(LT_CURRENT)
 AC_SUBST(LT_REVISION)
 AC_SUBST(LT_AGE)