diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index dc3ff5df7..847d58b27 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -2559,6 +2559,7 @@ mongodb_perfdata                 | **Optional.** Enable output of Nagios perform
 mongodb_database                 | **Optional.** Specify the database to check.
 mongodb_alldatabases             | **Optional.** Check all databases (action database_size).
 mongodb_ssl                      | **Optional.** Connect using SSL.
+mongodb_ssl_ca_cert_file         | **Optional.** Path to certificate authority file for SSL.
 mongodb_replicaset               | **Optional.** Connect to replicaset.
 mongodb_replcheck                | **Optional.** If set to true, will enable the mongodb_replicaset value needed for "replica_primary" check.
 mongodb_querytype                | **Optional.** The query type to check [query\|insert\|update\|delete\|getmore\|command] from queries_per_second.
diff --git a/itl/plugins-contrib.d/databases.conf b/itl/plugins-contrib.d/databases.conf
index 550e7ae88..7d3a1cbe4 100644
--- a/itl/plugins-contrib.d/databases.conf
+++ b/itl/plugins-contrib.d/databases.conf
@@ -679,6 +679,10 @@ object CheckCommand "mongodb" {
 			set_if = "$mongodb_ssl$"
 			description = "Connect using SSL"
 		}
+		"--ssl-ca-cert-file" = {
+			value = "$mongodb_ssl_ca_cert_file$"
+			description = "Path to certificate authority file for SSL"
+		}
 		"--replicaset" = {
 			value = "$mongodb_replicaset$"
 			set_if = "$mongodb_replcheck$"