diff --git a/README.md b/README.md
index 72119e8..d4d3e51 100644
--- a/README.md
+++ b/README.md
@@ -215,6 +215,24 @@ considered *experimental*. Also note that this chart doesn't allow to scale JVB
 into multiple zones/regions yet: all JVB pods will be part of the single OCTO
 region named `all`.
 
+## Adding custom Prosody plugins
+
+In case you want to extend your Jitsi Meet installation with additional Prosody
+features, you can add custom plugins using additional ConfigMap mounts like
+this:
+
+```yaml
+prosody:
+  extraVolumes:
+    - name: prosody-modules
+      configMap:
+        name: prosody-modules
+  extraVolumeMounts:
+    - name: prosody-modules
+      subPath: mod_measure_client_presence.lua
+      mountPath: /prosody-plugins-custom/mod_measure_client_presence.lua
+```
+
 ## Configuration
 
 The following table lists the configurable parameters of the jisti-meet chart and their default values.
diff --git a/charts/prosody/values.yaml b/charts/prosody/values.yaml
index 79b8744..fc54207 100644
--- a/charts/prosody/values.yaml
+++ b/charts/prosody/values.yaml
@@ -92,3 +92,13 @@ affinity: {}
 extraEnvs: []
 extraEnvFrom: []
 secretEnvs: {}
+
+extraVolumes: []
+  # - name: prosody-modules
+  #   configMap:
+  #     name: prosody-modules
+
+extraVolumeMounts: []
+  # - name: prosody-modules
+  #   subPath: mod_measure_client_presence.lua
+  #   mountPath: /prosody-plugins-custom/mod_measure_client_presence.lua
diff --git a/values.yaml b/values.yaml
index 1dfae9b..04c7704 100644
--- a/values.yaml
+++ b/values.yaml
@@ -505,3 +505,13 @@ prosody:
       _prosody_cfg_lua: ""
       _saslauthd_conf: ""
       _jitsi_meet_cfg_lua: ""
+
+  extraVolumes: []
+    # - name: prosody-modules
+    #   configMap:
+    #     name: prosody-modules
+
+  extraVolumeMounts: []
+    # - name: prosody-modules
+    #   subPath: mod_measure_client_presence.lua
+    #   mountPath: /prosody-plugins-custom/mod_measure_client_presence.lua