diff --git a/README.md b/README.md
index bb97b8f0..f400f49b 100644
--- a/README.md
+++ b/README.md
@@ -234,8 +234,10 @@ The role defines most of its variables in `defaults/main.yml`:
 
 ### `nomad_raft_protocol`
 
-- Specifies the version of raft protocal, which used by nomad servers for communication
-- Default value: **2**
+- Specifies the version of raft protocol, which used by nomad servers for communication
+- Default value:
+  - Nomad versions < 1.3.0: 2
+  - Nomad versions => 1.3.0: 3
 
 ### `nomad_authoritative_region`
 
diff --git a/defaults/main.yml b/defaults/main.yml
index 94de4e5f..c4007736 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -98,7 +98,12 @@ nomad_job_gc_threshold: "4h"
 nomad_eval_gc_threshold: "1h"
 nomad_deployment_gc_threshold: "1h"
 nomad_encrypt_enable: "{{ lookup('env','NOMAD_ENCRYPT_ENABLE') | default('false', true) }}"
-nomad_raft_protocol: 2
+nomad_raft_protocol: "\
+  {% if nomad_version is version_compare('1.3.0', '<') %}\
+    2\
+  {% else %}\
+    3\
+  {% endif %}"
 
 #### Client settings
 nomad_node_class: ""