diff --git a/group_vars/all.example b/group_vars/all.example
index 4208a08..5842d72 100644
--- a/group_vars/all.example
+++ b/group_vars/all.example
@@ -6,3 +6,7 @@ access_key: "KEY_NAME"
 secret_key: "KEY_SECRET"
 
 s3_bucket: "BUCKET_NAME"
+
+#For HFs
+MAIN_REPO_FETCH: "poanetwork"
+GENESIS_BRANCH: "sokol"
diff --git a/hosts.example b/hosts.example
index 487d9dc..ed04adf 100644
--- a/hosts.example
+++ b/hosts.example
@@ -1,2 +1,5 @@
 [backup]
 INSERT_HERE_SERVERS_HOSTNAME_OR_IPs
+
+[hf-spec-change]
+INSERT_HERE_SERVERS_HOSTNAME_OR_IPs
diff --git a/roles/hf-spec-change/tasks/main.yml b/roles/hf-spec-change/tasks/main.yml
new file mode 100644
index 0000000..2d04449
--- /dev/null
+++ b/roles/hf-spec-change/tasks/main.yml
@@ -0,0 +1,23 @@
+---
+- name: Shutdown poa-netstats service
+  service: name=poa-netstats state=stopped
+
+- name: Shutdown poa-parity service
+  service: name=poa-parity state=stopped
+
+- name: Create directory for spec backups
+  file: path={{ home }}/spec-hfs state=directory
+
+- name: Create previous spec backup
+  command: cp {{ home }}/spec.json {{ home }}/spec-hfs/spec-hf-{{ date }}.json
+
+- name: Download new spec
+  get_url: url={{ item }} dest={{ home }}/ mode=0644
+  with_items:
+    - "https://raw.githubusercontent.com/{{ MAIN_REPO_FETCH }}/poa-chain-spec/{{ GENESIS_BRANCH }}/spec.json"
+
+- name: Launch poa-parity service
+  service: name=poa-parity state=started
+
+- name: Launch poa-netstats service
+  service: name=poa-netstats state=started
diff --git a/site.yml b/site.yml
index 17ee158..6d481c0 100644
--- a/site.yml
+++ b/site.yml
@@ -5,3 +5,12 @@
   roles:
     - backup-parity
   tags: backup
+
+- hosts: hf-spec-change
+  vars:
+    date: "{{ lookup('pipe', 'date -u +%Y%m%d-%H%M%S') }}"
+    home: "/home/{{ poa_role }}"
+  user: root
+  roles:
+    - hf-spec-change
+  tags: hf-spec