diff --git a/roles/network-routing/templates/ffmwu-add-ip-rules.sh.j2 b/roles/network-routing/templates/ffmwu-add-ip-rules.sh.j2
index 7dcee4f..ee461f9 100644
--- a/roles/network-routing/templates/ffmwu-add-ip-rules.sh.j2
+++ b/roles/network-routing/templates/ffmwu-add-ip-rules.sh.j2
@@ -60,7 +60,7 @@ ip -6 rule add from all iif {{ mesh.id }}br type unreachable priority 61
 {% endfor %}
 ip -4 rule add from all iif icvpn type unreachable priority 61
 ip -4 rule add from all iif {{ ansible_default_ipv4.interface }} type unreachable priority 61
-{% for server_id, server_value in ffrl_exit_server.iteritems() %}
+{% for server_id, server_value in ffrl_exit_server.items() %}
 ip -4 rule add from all iif {{ server_id }} type unreachable priority 61
 ip -6 rule add from all iif {{ server_id }} type unreachable priority 61
 {% endfor %}
diff --git a/roles/network-routing/templates/ffmwu-del-ip-rules.sh.j2 b/roles/network-routing/templates/ffmwu-del-ip-rules.sh.j2
index 8fcfd36..00acaed 100644
--- a/roles/network-routing/templates/ffmwu-del-ip-rules.sh.j2
+++ b/roles/network-routing/templates/ffmwu-del-ip-rules.sh.j2
@@ -60,7 +60,7 @@ ip -6 rule del from all iif {{ mesh.id }}br type unreachable priority 61
 {% endfor %}
 ip -4 rule del from all iif icvpn type unreachable priority 61
 ip -4 rule del from all iif {{ ansible_default_ipv4.interface }} type unreachable priority 61
-{% for server_id, server_value in ffrl_exit_server.iteritems() %}
+{% for server_id, server_value in ffrl_exit_server.items() %}
 ip -4 rule del from all iif {{ server_id }} type unreachable priority 61
 ip -6 rule del from all iif {{ server_id }} type unreachable priority 61
 {% endfor %}
diff --git a/roles/service-bird-ffrl/templates/ffrl_ipv4.conf.j2 b/roles/service-bird-ffrl/templates/ffrl_ipv4.conf.j2
index c20abc7..2c16cd7 100644
--- a/roles/service-bird-ffrl/templates/ffrl_ipv4.conf.j2
+++ b/roles/service-bird-ffrl/templates/ffrl_ipv4.conf.j2
@@ -18,7 +18,7 @@ function is_ffrl_nat() {
 
 function is_ffrl_tunnel_nets() {
     return net ~ [
-{% for peer_id, peer_value in ffrl_exit_server.iteritems() %}
+{% for peer_id, peer_value in ffrl_exit_server.items() %}
         {{ peer_value.tunnel_ipv4_network }}{{ "," if not loop.last else "" }}
 {% endfor %}
     ];
diff --git a/roles/service-bird-ffrl/templates/ffrl_ipv4_peers.conf.j2 b/roles/service-bird-ffrl/templates/ffrl_ipv4_peers.conf.j2
index 5f6f1fb..4403306 100644
--- a/roles/service-bird-ffrl/templates/ffrl_ipv4_peers.conf.j2
+++ b/roles/service-bird-ffrl/templates/ffrl_ipv4_peers.conf.j2
@@ -2,7 +2,7 @@
 # {{ ansible_managed }}
 #
 
-{% for peer_id, peer_value in ffrl_exit_server.iteritems() %}
+{% for peer_id, peer_value in ffrl_exit_server.items() %}
 protocol bgp '{{ peer_id }}' from ffrl_uplink {
     source address {{ peer_value.tunnel_ipv4_network | ipaddr('net') | ipaddr('1') | ipaddr('address') }};
     neighbor {{ peer_value.tunnel_ipv4_network | ipaddr('net') | ipaddr('address') }} as ffrl_as;
diff --git a/roles/service-bird-ffrl/templates/ffrl_ipv6.conf.j2 b/roles/service-bird-ffrl/templates/ffrl_ipv6.conf.j2
index 57ed1d4..e5263a6 100644
--- a/roles/service-bird-ffrl/templates/ffrl_ipv6.conf.j2
+++ b/roles/service-bird-ffrl/templates/ffrl_ipv6.conf.j2
@@ -20,7 +20,7 @@ function is_ffrl_public_nets() {
 
 function is_ffrl_tunnel_nets() {
     return net ~ [
-{% for peer_id, peer_value in ffrl_exit_server.iteritems() %}
+{% for peer_id, peer_value in ffrl_exit_server.items() %}
         {{ peer_value.tunnel_ipv6_network }}{{ "," if not loop.last else "" }}
 {% endfor %}
     ];
diff --git a/roles/service-bird-ffrl/templates/ffrl_ipv6_peers.conf.j2 b/roles/service-bird-ffrl/templates/ffrl_ipv6_peers.conf.j2
index ef495ed..cae7201 100644
--- a/roles/service-bird-ffrl/templates/ffrl_ipv6_peers.conf.j2
+++ b/roles/service-bird-ffrl/templates/ffrl_ipv6_peers.conf.j2
@@ -2,7 +2,7 @@
 # {{ ansible_managed }}
 #
 
-{% for peer_id, peer_value in ffrl_exit_server.iteritems() %}
+{% for peer_id, peer_value in ffrl_exit_server.items() %}
 protocol bgp '{{ peer_id }}' from ffrl_uplink {
     source address {{ peer_value.tunnel_ipv6_network | ipaddr('net') | ipaddr('2') | ipaddr('address') }};
     neighbor {{ peer_value.tunnel_ipv6_network | ipaddr('net') | ipaddr('1') | ipaddr('address') }} as ffrl_as;
diff --git a/roles/service-bird/templates/mwu_ipv4_peers.conf.j2 b/roles/service-bird/templates/mwu_ipv4_peers.conf.j2
index c581ab5..e5c3077 100644
--- a/roles/service-bird/templates/mwu_ipv4_peers.conf.j2
+++ b/roles/service-bird/templates/mwu_ipv4_peers.conf.j2
@@ -10,7 +10,7 @@ protocol bgp mwu_{{ gateway.rsplit('.freifunk-mwu.de')[0] }} from ibgp_mwu {
 
 {% endif %}
 {% endfor %}
-{% for item, value in bgp_mwu_servers.iteritems() %}
+{% for item, value in bgp_mwu_servers.items() %}
 {% if item != inventory_hostname_short %}
 protocol bgp mwu_{{ item }} from ibgp_mwu {
     neighbor {{ value.ipv4 }} as mwu_as;
diff --git a/roles/service-bird/templates/mwu_ipv6_peers.conf.j2 b/roles/service-bird/templates/mwu_ipv6_peers.conf.j2
index 4c20b08..44f8c6a 100644
--- a/roles/service-bird/templates/mwu_ipv6_peers.conf.j2
+++ b/roles/service-bird/templates/mwu_ipv6_peers.conf.j2
@@ -10,7 +10,7 @@ protocol bgp mwu_{{ gateway.rsplit('.freifunk-mwu.de')[0] }} from ibgp_mwu {
 
 {% endif %}
 {% endfor %}
-{% for item, value in bgp_mwu_servers.iteritems() %}
+{% for item, value in bgp_mwu_servers.items() %}
 {% if item != inventory_hostname_short %}
 protocol bgp mwu_{{ item }} from ibgp_mwu {
     neighbor {{ value.ipv6 }} as mwu_as;
diff --git a/roles/service-prometheus/templates/prometheus.yml.j2 b/roles/service-prometheus/templates/prometheus.yml.j2
index 93a3eb0..6c6972d 100644
--- a/roles/service-prometheus/templates/prometheus.yml.j2
+++ b/roles/service-prometheus/templates/prometheus.yml.j2
@@ -11,7 +11,7 @@ global:
 {% if prometheus_rule_files is defined %}
 # Rule files specifies a list of files from which rules are read.
 rule_files:
-  {% for (key, value) in prometheus_rule_files.iteritems() %}
+  {% for (key, value) in prometheus_rule_files.items() %}
   - {{ prometheus_rule_path }}/{{ value.dest }}
   {% endfor %}
 {% endif %}