diff --git a/modules/icinga2/collector.go b/modules/icinga2/collector.go
index 6563362..852e9cd 100644
--- a/modules/icinga2/collector.go
+++ b/modules/icinga2/collector.go
@@ -23,6 +23,7 @@ var optionalFiles = []string{
 	"/var/log/icinga2/error.log",
 	"/var/log/icinga2/crash",
 	"/var/log/icinga2/debug.log",
+	"/etc/logrotate.d/icinga2",
 }
 
 var commands = map[string][]string{
diff --git a/modules/icingadb/collector.go b/modules/icingadb/collector.go
index 8b93f95..f24f2e0 100644
--- a/modules/icingadb/collector.go
+++ b/modules/icingadb/collector.go
@@ -20,6 +20,10 @@ var files = []string{
 	"/etc/icinga2/features-enabled/icingadb.conf",
 }
 
+var optionalFiles = []string{
+	"/etc/logrotate.d/icingadb-redis-server",
+}
+
 var services = []string{
 	"icingadb",
 	"icingadb-redis",
@@ -67,6 +71,14 @@ func Collect(c *collection.Collection) {
 		c.AddFiles(ModuleName, file)
 	}
 
+	for _, file := range optionalFiles {
+		if _, err := os.Stat(file); err != nil {
+			continue
+		}
+
+		c.AddFiles(ModuleName, file)
+	}
+
 	for _, service := range services {
 		c.AddServiceStatusRaw(ModuleName+"/service-"+service+".txt", service)
 	}
diff --git a/modules/mysql/collector.go b/modules/mysql/collector.go
index 09bc9e1..619ea94 100644
--- a/modules/mysql/collector.go
+++ b/modules/mysql/collector.go
@@ -2,6 +2,7 @@ package mysql
 
 import (
 	"github.com/NETWAYS/support-collector/pkg/collection"
+	"os"
 )
 
 const (
@@ -26,6 +27,11 @@ var commands = map[string][]string{
 	"mysql-version.txt": {"mysql", "-V"},
 }
 
+var optionalFiles = []string{
+	"/etc/logrotate.d/mariadb",
+	"/etc/logrotate.d/mysql",
+}
+
 // Detect if a MySQL or MariaDB daemon appears to be running.
 func Detect() string {
 	for _, name := range possibleServices {
@@ -55,4 +61,12 @@ func Collect(c *collection.Collection) {
 	for name, cmd := range commands {
 		c.AddCommandOutput(ModuleName+"/"+name, cmd[0], cmd[1:]...)
 	}
+
+	for _, file := range optionalFiles {
+		if _, err := os.Stat(file); err != nil {
+			continue
+		}
+
+		c.AddFiles(ModuleName, file)
+	}
 }