diff --git a/examples/Actions.md b/examples/Actions.md
index 309d703..51d5b30 100644
--- a/examples/Actions.md
+++ b/examples/Actions.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Actions:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/action](https://www.zabbix.com/documentation/3.2/manual/api/reference/action)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/action](https://www.zabbix.com/documentation/4.0/manual/api/reference/action)
 
 ## Create Action based on Trigger
 ```ruby
diff --git a/examples/Applications.md b/examples/Applications.md
index 248dc24..e3ae044 100644
--- a/examples/Applications.md
+++ b/examples/Applications.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Applications:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/application](https://www.zabbix.com/documentation/3.2/manual/api/reference/application)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/application](https://www.zabbix.com/documentation/4.0/manual/api/reference/application)
 
 ## Create Application
 ```ruby
diff --git a/examples/Configurations.md b/examples/Configurations.md
index 0a4edd6..d4cc368 100644
--- a/examples/Configurations.md
+++ b/examples/Configurations.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Configurations:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/configuration](https://www.zabbix.com/documentation/3.2/manual/api/reference/configuration)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/configuration](https://www.zabbix.com/documentation/4.0/manual/api/reference/configuration)
 
 ## Export Configuration
 
diff --git a/examples/Graphs.md b/examples/Graphs.md
index c272f71..fcef623 100644
--- a/examples/Graphs.md
+++ b/examples/Graphs.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Graphs:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/graph](https://www.zabbix.com/documentation/3.2/manual/api/reference/graph)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/graph](https://www.zabbix.com/documentation/4.0/manual/api/reference/graph)
 
 ## Create Graph
 ```ruby
diff --git a/examples/Hostgroups.md b/examples/Hostgroups.md
index 45a3f93..04c1b58 100644
--- a/examples/Hostgroups.md
+++ b/examples/Hostgroups.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Hostgroups:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/hostgroup](https://www.zabbix.com/documentation/3.2/manual/api/reference/hostgroup)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/hostgroup](https://www.zabbix.com/documentation/4.0/manual/api/reference/hostgroup)
 
 ## Create Hostgroup
 ```ruby
diff --git a/examples/Hosts.md b/examples/Hosts.md
index 436b32d..f16b95e 100644
--- a/examples/Hosts.md
+++ b/examples/Hosts.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Hosts:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/host](https://www.zabbix.com/documentation/3.2/manual/api/reference/host)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/host](https://www.zabbix.com/documentation/4.0/manual/api/reference/host)
 
 ## Create Host
 ```ruby
diff --git a/examples/Httptests.md b/examples/Httptests.md
index e181cb7..808ca44 100644
--- a/examples/Httptests.md
+++ b/examples/Httptests.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Httptests:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/httptest](https://www.zabbix.com/documentation/3.2/manual/api/reference/httptest)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/httptest](https://www.zabbix.com/documentation/4.0/manual/api/reference/httptest)
 
 ## Create Web Scenario (httptest)
 ```ruby
diff --git a/examples/Items.md b/examples/Items.md
index 865e6e0..cea882c 100644
--- a/examples/Items.md
+++ b/examples/Items.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Items:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/item](https://www.zabbix.com/documentation/3.2/manual/api/reference/item)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/item](https://www.zabbix.com/documentation/4.0/manual/api/reference/item)
 
 ## Create Item
 ```ruby
diff --git a/examples/Maintenance.md b/examples/Maintenance.md
index f353a7a..dc49c81 100644
--- a/examples/Maintenance.md
+++ b/examples/Maintenance.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Maintenance:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/maintenance](https://www.zabbix.com/documentation/3.2/manual/api/reference/maintenance)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/maintenance](https://www.zabbix.com/documentation/4.0/manual/api/reference/maintenance)
 
 ## Create Maintenance
 ```ruby
diff --git a/examples/MediaTypes.md b/examples/MediaTypes.md
index 8c61bc5..7134e63 100644
--- a/examples/MediaTypes.md
+++ b/examples/MediaTypes.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for MediaTypes:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/mediatype](https://www.zabbix.com/documentation/3.2/manual/api/reference/mediatype)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/mediatype](https://www.zabbix.com/documentation/4.0/manual/api/reference/mediatype)
 
 ## Create MediaType and add it to user ###
 ```ruby
diff --git a/examples/Proxies.md b/examples/Proxies.md
index da1a645..c9c34c2 100644
--- a/examples/Proxies.md
+++ b/examples/Proxies.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Proxies:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/proxy](https://www.zabbix.com/documentation/3.2/manual/api/reference/proxy)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/proxy](https://www.zabbix.com/documentation/4.0/manual/api/reference/proxy)
 
 ## Create Proxy
 
diff --git a/examples/Screens.md b/examples/Screens.md
index 090652c..766d8da 100644
--- a/examples/Screens.md
+++ b/examples/Screens.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Screens:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/screen](https://www.zabbix.com/documentation/3.2/manual/api/reference/screen)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/screen](https://www.zabbix.com/documentation/4.0/manual/api/reference/screen)
 
 ## Create Screen for Host
 ```ruby
diff --git a/examples/Templates.md b/examples/Templates.md
index a3176a1..f627aae 100644
--- a/examples/Templates.md
+++ b/examples/Templates.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Templates:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/template](https://www.zabbix.com/documentation/3.2/manual/api/reference/template)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/template](https://www.zabbix.com/documentation/4.0/manual/api/reference/template)
 
 ## Create Template
 ```ruby
diff --git a/examples/Triggers.md b/examples/Triggers.md
index b7d1b46..8c361b3 100644
--- a/examples/Triggers.md
+++ b/examples/Triggers.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Triggers:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/trigger](https://www.zabbix.com/documentation/3.2/manual/api/reference/trigger)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/trigger](https://www.zabbix.com/documentation/4.0/manual/api/reference/trigger)
 
 ## Create Trigger
 ```ruby
diff --git a/examples/Usergroups.md b/examples/Usergroups.md
index 862ed17..ab05d7f 100644
--- a/examples/Usergroups.md
+++ b/examples/Usergroups.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Usergroups:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/usergroup](https://www.zabbix.com/documentation/3.2/manual/api/reference/usergroup)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/usergroup](https://www.zabbix.com/documentation/4.0/manual/api/reference/usergroup)
 
 ## Create UserGroup, add User and set permission
 ```ruby
diff --git a/examples/Usermacros.md b/examples/Usermacros.md
index 290544f..6930b1f 100644
--- a/examples/Usermacros.md
+++ b/examples/Usermacros.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Usermacros:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/usermacro](https://www.zabbix.com/documentation/3.2/manual/api/reference/usermacro)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/usermacro](https://www.zabbix.com/documentation/4.0/manual/api/reference/usermacro)
 
 ### User and global macros
 ```ruby
diff --git a/examples/Users.md b/examples/Users.md
index 7aaa193..ce31e47 100644
--- a/examples/Users.md
+++ b/examples/Users.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Users:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/user](https://www.zabbix.com/documentation/3.2/manual/api/reference/user)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/user](https://www.zabbix.com/documentation/4.0/manual/api/reference/user)
 
 ## Create User
 ```ruby
diff --git a/examples/Valuemaps.md b/examples/Valuemaps.md
index 10d3378..570aeec 100644
--- a/examples/Valuemaps.md
+++ b/examples/Valuemaps.md
@@ -3,7 +3,7 @@
 This example assumes you have already initialized and connected the ZabbixApi.
 
 For more information and available properties please refer to the Zabbix API documentation for Users:
-[https://www.zabbix.com/documentation/3.2/manual/api/reference/valuemap](https://www.zabbix.com/documentation/3.2/manual/api/reference/valuemap)
+[https://www.zabbix.com/documentation/4.0/manual/api/reference/valuemap](https://www.zabbix.com/documentation/4.0/manual/api/reference/valuemap)
 
 ## Create Valuemap
 ```ruby
diff --git a/spec/server.rb b/spec/server.rb
index 8d09a66..a622e50 100644
--- a/spec/server.rb
+++ b/spec/server.rb
@@ -8,8 +8,8 @@
       expect(zbx.server.version).to be_kind_of(String)
     end
 
-    it 'should be 2.4.x or 3.0.x or 3.2.x' do
-      expect(zbx.server.version).to match(/(2\.4|3\.[02])\.\d+/)
+    it 'should be 2.4.x, 3.2.x, 3.4.x or 4.0.x' do
+      expect(zbx.server.version).to match(/(2\.4|3\.[024]|4\.0)\.\d+/)
     end
   end
 end