diff --git a/tasks/os.yml b/tasks/os.yml
index a8f5533..fc8aa1f 100644
--- a/tasks/os.yml
+++ b/tasks/os.yml
@@ -9,7 +9,7 @@
   when: ansible_default_ipv6.address is not defined
   block:
     - name: Enable IPv6 via sysctl
-      sysctl:
+      ansible.posix.sysctl:
         name: "{{ item }}"
         value: 0
         state: present
diff --git a/tasks/pdns_recursor.yml b/tasks/pdns_recursor.yml
index e62c991..08fc260 100644
--- a/tasks/pdns_recursor.yml
+++ b/tasks/pdns_recursor.yml
@@ -57,7 +57,7 @@
   when: 'public_dns == "yes"'
   notify: Restart pdns-recursor
 - name: Set IPv6 route size
-  sysctl:
+  ansible.posix.sysctl:
     name: net.ipv6.route.max_size
     value: 16384
     state: present # not required. choices: present;absent. Whether the entry should be present or absent in the sysctl file.
diff --git a/tasks/wireguard.yml b/tasks/wireguard.yml
index 5faf9e7..4be781c 100644
--- a/tasks/wireguard.yml
+++ b/tasks/wireguard.yml
@@ -21,7 +21,7 @@
     - iptable_nat
     - ip6table_nat
 - name: Set sysctl variables
-  sysctl:
+  ansible.posix.sysctl:
     name: "{{ item }}"
     value: 1
     state: present # not required. choices: present;absent. Whether the entry should be present or absent in the sysctl file.