diff --git a/class/defaults.yml b/class/defaults.yml
index baa68b0..9236ac8 100644
--- a/class/defaults.yml
+++ b/class/defaults.yml
@@ -4,6 +4,10 @@ parameters:
     namespaceLabels: {}
     namespaceAnnotations: {}
 
+    argocd:
+      application:
+        finalizers:
+          - resources-finalizer.argocd.argoproj.io
     charts:
       crossplane: 1.12.3
     images:
diff --git a/component/app.jsonnet b/component/app.jsonnet
index 9d95e41..6c6b2b4 100644
--- a/component/app.jsonnet
+++ b/component/app.jsonnet
@@ -19,6 +19,9 @@ local ignore_diff_cr = {
 };
 
 local app = argocd.App('crossplane', params.namespace) {
+  metadata+: {
+    finalizers: params.argocd.application.finalizers,
+  },
   spec+: {
     ignoreDifferences:
       [ ignore_diff_cr ] +
diff --git a/docs/modules/ROOT/pages/references/parameters.adoc b/docs/modules/ROOT/pages/references/parameters.adoc
index b93555b..c57b8dd 100644
--- a/docs/modules/ROOT/pages/references/parameters.adoc
+++ b/docs/modules/ROOT/pages/references/parameters.adoc
@@ -206,3 +206,12 @@ parameters:
         requests:
           cpu: 1000m
 ----
+
+
+== `argocd.application.finalizers`
+
+[horizontal]
+type:: array
+default:: `[- resources-finalizer.argocd.argoproj.io]`
+
+This parameter allows to configure ArgoCD App finalizers.
diff --git a/tests/golden/defaults-with-provider/crossplane/apps/crossplane.yaml b/tests/golden/defaults-with-provider/crossplane/apps/crossplane.yaml
index 921fb82..101f293 100644
--- a/tests/golden/defaults-with-provider/crossplane/apps/crossplane.yaml
+++ b/tests/golden/defaults-with-provider/crossplane/apps/crossplane.yaml
@@ -1,3 +1,6 @@
+metadata:
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
 spec:
   ignoreDifferences:
     - group: rbac.authorization.k8s.io
diff --git a/tests/golden/defaults/crossplane/apps/crossplane.yaml b/tests/golden/defaults/crossplane/apps/crossplane.yaml
index 921fb82..101f293 100644
--- a/tests/golden/defaults/crossplane/apps/crossplane.yaml
+++ b/tests/golden/defaults/crossplane/apps/crossplane.yaml
@@ -1,3 +1,6 @@
+metadata:
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
 spec:
   ignoreDifferences:
     - group: rbac.authorization.k8s.io
diff --git a/tests/golden/openshift4-with-provider/crossplane/apps/crossplane.yaml b/tests/golden/openshift4-with-provider/crossplane/apps/crossplane.yaml
index 630ad58..4e36a21 100644
--- a/tests/golden/openshift4-with-provider/crossplane/apps/crossplane.yaml
+++ b/tests/golden/openshift4-with-provider/crossplane/apps/crossplane.yaml
@@ -1,3 +1,6 @@
+metadata:
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
 spec:
   ignoreDifferences:
     - group: rbac.authorization.k8s.io
diff --git a/tests/golden/openshift4/crossplane/apps/crossplane.yaml b/tests/golden/openshift4/crossplane/apps/crossplane.yaml
index 630ad58..4e36a21 100644
--- a/tests/golden/openshift4/crossplane/apps/crossplane.yaml
+++ b/tests/golden/openshift4/crossplane/apps/crossplane.yaml
@@ -1,3 +1,6 @@
+metadata:
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
 spec:
   ignoreDifferences:
     - group: rbac.authorization.k8s.io