diff --git a/configure.ac b/configure.ac
index 02888fb..e5c59c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@
 # under the License.
 #
 
-AC_PREREQ(2.59)
+AC_PREREQ(2.65)
 
 AC_INIT([thrift], [0.5.0-dev])