diff --git a/charts/graylog/Chart.lock b/charts/graylog/Chart.lock
index c4c6b33e2e074ab2fbf2ef0e2767b2606301190b..95bfa5f21c9b5e8c1be3feb3e7baeceb41a9acbf 100644
--- a/charts/graylog/Chart.lock
+++ b/charts/graylog/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: mongodb
   repository: https://groundhog2k.github.io/helm-charts
-  version: 0.5.17
+  version: 0.5.18
 - name: elasticsearch
   repository: https://groundhog2k.github.io/helm-charts
   version: 0.1.106
-digest: sha256:2769958ff0a0b956b275d0a909e05c7f4db5d4117f8e63dd3259d5c3316c2f32
-generated: "2023-08-22T17:55:38.14853902+02:00"
+digest: sha256:0fc5e59779a12d1d2c49407178a49bac5465f9f2c160d71e6c623351ca9e15ce
+generated: "2023-10-04T17:37:54.225083861+02:00"
diff --git a/charts/graylog/Chart.yaml b/charts/graylog/Chart.yaml
index 5001eebd9636984d12e30c21ff43ae43888ed7e6..ddc8bf034508da3a89b560bd11d57e92b67bdd3d 100644
--- a/charts/graylog/Chart.yaml
+++ b/charts/graylog/Chart.yaml
@@ -7,13 +7,13 @@ type: application
 maintainers:
   - name: groundhog2k
 
-version: "0.6.7"
+version: "0.6.8"
 
-appVersion: "5.1.5"
+appVersion: "5.1.6"
 
 dependencies:
   - name: mongodb
-    version: "0.5.17"
+    version: "0.5.18"
     repository: "https://groundhog2k.github.io/helm-charts"
     condition: mongodb.enabled
   - name: elasticsearch
diff --git a/charts/graylog/README.md b/charts/graylog/README.md
index 9f76ae287f990ef1a587b09516d230824859df31..b46b22eb05d236c7665535f13c904f970cf6e08c 100644
--- a/charts/graylog/README.md
+++ b/charts/graylog/README.md
@@ -1,6 +1,6 @@
 # Graylog
 
-![Version: 0.6.7](https://img.shields.io/badge/Version-0.6.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 5.1.5](https://img.shields.io/badge/AppVersion-5.1.5-informational?style=flat-square)
+![Version: 0.6.8](https://img.shields.io/badge/Version-0.6.8-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 5.1.6](https://img.shields.io/badge/AppVersion-5.1.6-informational?style=flat-square)
 
 ## Changelog
 
@@ -45,7 +45,7 @@ helm uninstall my-release
 
 | Repository | Name | Version |
 |------------|------|---------|
-| @groundhog2k | mongodb | 0.5.17 |
+| @groundhog2k | mongodb | 0.5.18 |
 | @groundhog2k | elasticsearch | 0.1.106 |
 
 ## Common parameters
diff --git a/charts/graylog/RELEASENOTES.md b/charts/graylog/RELEASENOTES.md
index d1940e6d105057039b0411a173f40836a95b0fae..93e54c50e2a1ac6bf1cc1d697008630789a8b235 100644
--- a/charts/graylog/RELEASENOTES.md
+++ b/charts/graylog/RELEASENOTES.md
@@ -52,4 +52,5 @@
 | 0.6.5 | 5.1.4 | Updated chart for Graylog 5.1.4 |
 | 0.6.6 | 5.1.4 | Updated chart dependencies (mongodb 0.5.17) |
 | 0.6.7 | 5.1.5 | Updated chart for Graylog 5.1.5 |
+| 0.6.8 | 5.1.6 | Updated chart for Graylog 5.1.6 and dependencies (mongodb 0.5.18) |
 | | | |
diff --git a/charts/graylog/charts/mongodb-0.5.17.tgz b/charts/graylog/charts/mongodb-0.5.17.tgz
deleted file mode 100644
index 9b29c8006446b6a57dbda2752f237dcba54401e4..0000000000000000000000000000000000000000
Binary files a/charts/graylog/charts/mongodb-0.5.17.tgz and /dev/null differ
diff --git a/charts/graylog/charts/mongodb-0.5.18.tgz b/charts/graylog/charts/mongodb-0.5.18.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..248c3f6bfd99af54f2e40997d7464c097b0de936
Binary files /dev/null and b/charts/graylog/charts/mongodb-0.5.18.tgz differ