diff --git a/submodules/autoconf b/submodules/autoconf
index d3dcd589..487d6aaa 160000
--- a/submodules/autoconf
+++ b/submodules/autoconf
@@ -1 +1 @@
-Subproject commit d3dcd5895d64f6c86275c9333e2760a867e540e7
+Subproject commit 487d6aaaa4fe45001d30c439ea6240fc74f1b5d7