diff --git a/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml b/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
index 0f733f0..8c7f005 100644
--- a/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
+++ b/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
@@ -406,8 +406,9 @@ spec:
                         in a Container.
                       properties:
                         name:
-                          description: Name of the environment variable. Must be a
-                            C_IDENTIFIER.
+                          description: |-
+                            Name of the environment variable.
+                            May consist of any printable ASCII characters except '='.
                           type: string
                         value:
                           description: |-
@@ -465,6 +466,43 @@ spec:
                               - fieldPath
                               type: object
                               x-kubernetes-map-type: atomic
+                            fileKeyRef:
+                              description: |-
+                                FileKeyRef selects a key of the env file.
+                                Requires the EnvFiles feature gate to be enabled.
+                              properties:
+                                key:
+                                  description: |-
+                                    The key within the env file. An invalid key will prevent the pod from starting.
+                                    The keys defined within a source may consist of any printable ASCII characters except '='.
+                                    During Alpha stage of the EnvFiles feature gate, the key size is limited to 128 characters.
+                                  type: string
+                                optional:
+                                  default: false
+                                  description: |-
+                                    Specify whether the file or its key must be defined. If the file or key
+                                    does not exist, then the env var is not published.
+                                    If optional is set to true and the specified key does not exist,
+                                    the environment variable will not be set in the Pod's containers.
+
+                                    If optional is set to false and the specified key does not exist,
+                                    an error will be returned during Pod creation.
+                                  type: boolean
+                                path:
+                                  description: |-
+                                    The path within the volume from which to select the file.
+                                    Must be relative and may not contain the '..' path or start with '..'.
+                                  type: string
+                                volumeName:
+                                  description: The name of the volume mount containing
+                                    the env file.
+                                  type: string
+                              required:
+                              - key
+                              - path
+                              - volumeName
+                              type: object
+                              x-kubernetes-map-type: atomic
                             resourceFieldRef:
                               description: |-
                                 Selects a resource of the container: only resources limits and requests
@@ -528,7 +566,7 @@ spec:
                           Claims lists the names of resources, defined in spec.resourceClaims,
                           that are used by this container.
 
-                          This is an alpha field and requires enabling the
+                          This field depends on the
                           DynamicResourceAllocation feature gate.
 
                           This field is immutable. It can only be set for containers.
diff --git a/manifest.yaml b/manifest.yaml
index fb157ea..5641fed 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -405,8 +405,9 @@ spec:
                         in a Container.
                       properties:
                         name:
-                          description: Name of the environment variable. Must be a
-                            C_IDENTIFIER.
+                          description: |-
+                            Name of the environment variable.
+                            May consist of any printable ASCII characters except '='.
                           type: string
                         value:
                           description: |-
@@ -464,6 +465,43 @@ spec:
                               - fieldPath
                               type: object
                               x-kubernetes-map-type: atomic
+                            fileKeyRef:
+                              description: |-
+                                FileKeyRef selects a key of the env file.
+                                Requires the EnvFiles feature gate to be enabled.
+                              properties:
+                                key:
+                                  description: |-
+                                    The key within the env file. An invalid key will prevent the pod from starting.
+                                    The keys defined within a source may consist of any printable ASCII characters except '='.
+                                    During Alpha stage of the EnvFiles feature gate, the key size is limited to 128 characters.
+                                  type: string
+                                optional:
+                                  default: false
+                                  description: |-
+                                    Specify whether the file or its key must be defined. If the file or key
+                                    does not exist, then the env var is not published.
+                                    If optional is set to true and the specified key does not exist,
+                                    the environment variable will not be set in the Pod's containers.
+
+                                    If optional is set to false and the specified key does not exist,
+                                    an error will be returned during Pod creation.
+                                  type: boolean
+                                path:
+                                  description: |-
+                                    The path within the volume from which to select the file.
+                                    Must be relative and may not contain the '..' path or start with '..'.
+                                  type: string
+                                volumeName:
+                                  description: The name of the volume mount containing
+                                    the env file.
+                                  type: string
+                              required:
+                              - key
+                              - path
+                              - volumeName
+                              type: object
+                              x-kubernetes-map-type: atomic
                             resourceFieldRef:
                               description: |-
                                 Selects a resource of the container: only resources limits and requests
@@ -527,7 +565,7 @@ spec:
                           Claims lists the names of resources, defined in spec.resourceClaims,
                           that are used by this container.
 
-                          This is an alpha field and requires enabling the
+                          This field depends on the
                           DynamicResourceAllocation feature gate.
 
                           This field is immutable. It can only be set for containers.