diff --git a/docs/install/installation.md b/docs/install/installation.md
index 813d1dbd..36fe5c9e 100644
--- a/docs/install/installation.md
+++ b/docs/install/installation.md
@@ -28,6 +28,10 @@ Argo CD is running. Don't worry, without any configuration, it will not start me
 kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj-labs/argocd-image-updater/stable/manifests/install.yaml
 ```
 
+!!! warning
+     The installation manifests include `ClusterRoleBinding` resources that reference `argocd` namespace. If you are installing Argo CD into a different
+namespace then make sure to update the namespace reference.
+
 !!!note "A word on high availability"
     It is not advised to run multiple replicas of the same Argo CD Image Updater
     instance. Just leave the number of replicas at 1, otherwise weird side
@@ -70,6 +74,10 @@ kubectl create namespace argocd-image-updater
 kubectl apply -n argocd-image-updater -f https://raw.githubusercontent.com/argoproj-labs/argocd-image-updater/stable/manifests/install.yaml
 ```
 
+!!! warning
+     The installation manifests include `ClusterRoleBinding` resources that reference `argocd` namespace. If you are installing Argo CD into a different
+namespace then make sure to update the namespace reference.
+
 !!!note "A word on high availability"
     It is not advised to run multiple replicas of the same Argo CD Image Updater
     instance. Just leave the number of replicas at 1, otherwise weird side
diff --git a/manifests/base/rbac/argocd-image-updater-clusterrolebinding.yaml b/manifests/base/rbac/argocd-image-updater-clusterrolebinding.yaml
index f7187102..9d8ec00a 100644
--- a/manifests/base/rbac/argocd-image-updater-clusterrolebinding.yaml
+++ b/manifests/base/rbac/argocd-image-updater-clusterrolebinding.yaml
@@ -13,3 +13,4 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: argocd-image-updater
+    namespace: argocd
diff --git a/manifests/install.yaml b/manifests/install.yaml
index a3ed4796..165ac03f 100644
--- a/manifests/install.yaml
+++ b/manifests/install.yaml
@@ -82,6 +82,7 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: argocd-image-updater
+  namespace: argocd
 ---
 apiVersion: v1
 kind: ConfigMap