diff --git a/.ssh/config.d/99_default b/.ssh/config.d/95_default
similarity index 100%
rename from .ssh/config.d/99_default
rename to .ssh/config.d/95_default
diff --git a/.ssh/config.d/99_127.0.0.1 b/.ssh/config.d/99_127.0.0.1
new file mode 100644
index 0000000000000000000000000000000000000000..a1cfa1264907eb1809adea813ceae188eeb27461
--- /dev/null
+++ b/.ssh/config.d/99_127.0.0.1
@@ -0,0 +1,7 @@
+# vim:ft=sshconfig
+# Allow RSA host keys on 127.0.0.1 for Packer.
+
+Host 127.0.0.1
+    HostbasedKeyTypes +ssh-rsa
+    HostKeyAlgorithms +ssh-rsa
+    PubkeyAcceptedKeyTypes +ssh-rsa