diff --git a/roles/xmpp_server/files/prosody_ldaprc b/roles/xmpp_server/files/prosody_ldaprc
new file mode 100644
index 0000000000000000000000000000000000000000..14edf5a233428d41750a3f2c65c0e1b1b48effc2
--- /dev/null
+++ b/roles/xmpp_server/files/prosody_ldaprc
@@ -0,0 +1,2 @@
+# Use system-wide trust anchor.
+TLS_CACERT /etc/ssl/certs/ca-certificates.crt