diff --git a/check_forgechalecorg_update b/check_forgechalecorg_update
new file mode 100644
index 0000000..98de402
--- /dev/null
+++ b/check_forgechalecorg_update
@@ -0,0 +1,70 @@
+#!/bin/bash 
+# GNU AGPLv3+
+# Nagios plugin to check Gitea version
+
+function usage()
+{
+ echo "Usage : $0"
+}
+
+
+function getCurrentVersion
+{
+    local result
+
+    local json=$(curl -s -X GET "https://forge.chalec.org/api/v1/version" -H  "accept: application/json")
+    #echo "[$json]"
+    
+    # {"version":"1.11.1"}
+    local regexp='\{"version":"(.*)"}'
+    if [[ $json =~ $regexp ]]; then
+        result=${BASH_REMATCH[1]}
+    else
+        result=
+    fi
+
+    echo "$result"
+}   
+
+function getLastVersionFromGithub
+{
+    local result
+    
+    local owner="$1"
+    local repo="$2"
+
+    local json=$(curl -s -X GET https://api.github.com/repos/$owner/$repo/releases/latest |grep tag_name)
+    #echo "[$json]"
+
+    # [  "tag_name": "v1.11.1",]
+    local regexp='.*"tag_name": "v(.+)".*'
+
+    if [[ $json =~ $regexp ]]; then
+        result=${BASH_REMATCH[1]}
+    else
+        result=
+    fi
+   
+    echo "$result"
+}
+
+
+#
+if [ "$#" -ne 0 ]; then
+    usage
+else
+    currentVersion=$(getCurrentVersion)
+    #echo "Current version = $currentVersion"
+    
+    lastVersion=$(getLastVersionFromGithub "go-gitea" "gitea")
+    #echo "Last version    = $lastVersion"
+
+    if [ $currentVersion = $lastVersion ]; then
+        echo "OK"
+        result=0
+    else
+        echo "WARNING : new version available, current is $currentVersion, last is $lastVersion."
+        result=1
+    fi    
+fi
+exit $result