diff --git a/README.md b/README.md
index b0b8b91dd..a49485ab3 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 ## Introduction
 
-[Percona Operator for PostgreSQL](https://docs.percona.com/percona-operator-for-postgresql/2.0/index.html) automates and simplifies deploying and managing open source PostgreSQL clusters on Kubernetes. It is based on [Postgres Operator](https://crunchydata.github.io/postgres-operator/latest/) developed by Crunchy Data.
+[Percona Operator for PostgreSQL](https://docs.percona.com/percona-operator-for-postgresql/2.0/index.html) automates and simplifies deploying and managing open source PostgreSQL clusters on Kubernetes. It is based on [Postgres Operator](https://github.com/CrunchyData/postgres-operator) developed by Crunchy Data.
 
 Whether you need to get a simple PostgreSQL cluster up and running, need to deploy a high availability, fault tolerant cluster in production, or are running your own database-as-a-service, the Operator provides the essential features you need to keep your clusters healthy:
 
diff --git a/build/crd/percona/generated/pgv2.percona.com_perconapgclusters.yaml b/build/crd/percona/generated/pgv2.percona.com_perconapgclusters.yaml
index ba74eb3a4..c9d7b38ae 100644
--- a/build/crd/percona/generated/pgv2.percona.com_perconapgclusters.yaml
+++ b/build/crd/percona/generated/pgv2.percona.com_perconapgclusters.yaml
@@ -8171,8 +8171,6 @@ spec:
                         - azure
                         type: string
                     type: object
-                required:
-                - image
                 type: object
               image:
                 description: The image name to use for PostgreSQL containers.
diff --git a/config/crd/bases/pgv2.percona.com_perconapgclusters.yaml b/config/crd/bases/pgv2.percona.com_perconapgclusters.yaml
index 407f29679..21070014e 100644
--- a/config/crd/bases/pgv2.percona.com_perconapgclusters.yaml
+++ b/config/crd/bases/pgv2.percona.com_perconapgclusters.yaml
@@ -8577,8 +8577,6 @@ spec:
                         - azure
                         type: string
                     type: object
-                required:
-                - image
                 type: object
               image:
                 description: The image name to use for PostgreSQL containers.
diff --git a/deploy/bundle.yaml b/deploy/bundle.yaml
index e22034402..2588d29cd 100644
--- a/deploy/bundle.yaml
+++ b/deploy/bundle.yaml
@@ -8870,8 +8870,6 @@ spec:
                         - azure
                         type: string
                     type: object
-                required:
-                - image
                 type: object
               image:
                 description: The image name to use for PostgreSQL containers.
diff --git a/deploy/crd.yaml b/deploy/crd.yaml
index 90c0fcd6d..795cd8257 100644
--- a/deploy/crd.yaml
+++ b/deploy/crd.yaml
@@ -8870,8 +8870,6 @@ spec:
                         - azure
                         type: string
                     type: object
-                required:
-                - image
                 type: object
               image:
                 description: The image name to use for PostgreSQL containers.
diff --git a/deploy/cw-bundle.yaml b/deploy/cw-bundle.yaml
index 8130ba034..a3f5637b9 100644
--- a/deploy/cw-bundle.yaml
+++ b/deploy/cw-bundle.yaml
@@ -8870,8 +8870,6 @@ spec:
                         - azure
                         type: string
                     type: object
-                required:
-                - image
                 type: object
               image:
                 description: The image name to use for PostgreSQL containers.
diff --git a/percona/controller/pgcluster/controller.go b/percona/controller/pgcluster/controller.go
index 9a2c997fa..169ac254b 100644
--- a/percona/controller/pgcluster/controller.go
+++ b/percona/controller/pgcluster/controller.go
@@ -663,6 +663,10 @@ func (r *PGClusterReconciler) reconcileCustomExtensions(ctx context.Context, cr
 		return nil
 	}
 
+	if len(cr.Spec.Extensions.Image) == 0 && len(cr.Spec.Extensions.Custom) > 0 {
+		return errors.New("you need to set spec.extensions.image to install custom extensions")
+	}
+
 	extensionKeys := make([]string, 0)
 	extensionNames := make([]string, 0)
 
diff --git a/pkg/apis/pgv2.percona.com/v2/perconapgcluster_types.go b/pkg/apis/pgv2.percona.com/v2/perconapgcluster_types.go
index 071ff07fb..ceea01d6b 100644
--- a/pkg/apis/pgv2.percona.com/v2/perconapgcluster_types.go
+++ b/pkg/apis/pgv2.percona.com/v2/perconapgcluster_types.go
@@ -590,8 +590,7 @@ type BuiltInExtensionsSpec struct {
 }
 
 type ExtensionsSpec struct {
-	// +kubebuilder:validation:Required
-	Image           string                      `json:"image"`
+	Image           string                      `json:"image,omitempty"`
 	ImagePullPolicy corev1.PullPolicy           `json:"imagePullPolicy,omitempty"`
 	Storage         CustomExtensionsStorageSpec `json:"storage,omitempty"`
 	BuiltIn         BuiltInExtensionsSpec       `json:"builtin,omitempty"`