diff --git a/Makefile b/Makefile
index 5f00d575..87c8b7e7 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ OCIREPO_CRD ?= config/crd/bases/ocirepositories.yaml
 SOURCE_CRD_VER=$(BUILD_DIR)/.src-crd-$(SOURCE_VER)
 
 # API (doc) generation utilities
-CONTROLLER_GEN_VERSION ?= v0.15.0
+CONTROLLER_GEN_VERSION ?= v0.16.1
 GEN_API_REF_DOCS_VERSION ?= e327d0730470cbd61b06300f81c5fcf91c23c113
 
 all: manager
diff --git a/config/crd/bases/kustomize.toolkit.fluxcd.io_kustomizations.yaml b/config/crd/bases/kustomize.toolkit.fluxcd.io_kustomizations.yaml
index 16ed18b2..bbeb11ba 100644
--- a/config/crd/bases/kustomize.toolkit.fluxcd.io_kustomizations.yaml
+++ b/config/crd/bases/kustomize.toolkit.fluxcd.io_kustomizations.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.15.0
+    controller-gen.kubebuilder.io/version: v0.16.1
   name: kustomizations.kustomize.toolkit.fluxcd.io
 spec:
   group: kustomize.toolkit.fluxcd.io
@@ -427,16 +427,8 @@ spec:
             properties:
               conditions:
                 items:
-                  description: "Condition contains details for one aspect of the current
-                    state of this API Resource.\n---\nThis struct is intended for
-                    direct use as an array at the field path .status.conditions.  For
-                    example,\n\n\n\ttype FooStatus struct{\n\t    // Represents the
-                    observations of a foo's current state.\n\t    // Known .status.conditions.type
-                    are: \"Available\", \"Progressing\", and \"Degraded\"\n\t    //
-                    +patchMergeKey=type\n\t    // +patchStrategy=merge\n\t    // +listType=map\n\t
-                    \   // +listMapKey=type\n\t    Conditions []metav1.Condition `json:\"conditions,omitempty\"
-                    patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`\n\n\n\t
-                    \   // other fields\n\t}"
+                  description: Condition contains details for one aspect of the current
+                    state of this API Resource.
                   properties:
                     lastTransitionTime:
                       description: |-
@@ -477,12 +469,7 @@ spec:
                       - Unknown
                       type: string
                     type:
-                      description: |-
-                        type of condition in CamelCase or in foo.example.com/CamelCase.
-                        ---
-                        Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be
-                        useful (see .node.status.conditions), the ability to deconflict is important.
-                        The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
+                      description: type of condition in CamelCase or in foo.example.com/CamelCase.
                       maxLength: 316
                       pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
                       type: string
@@ -713,6 +700,8 @@ spec:
                     required:
                     - name
                     type: object
+                required:
+                - secretRef
                 type: object
               patches:
                 description: |-
@@ -1005,16 +994,8 @@ spec:
             properties:
               conditions:
                 items:
-                  description: "Condition contains details for one aspect of the current
-                    state of this API Resource.\n---\nThis struct is intended for
-                    direct use as an array at the field path .status.conditions.  For
-                    example,\n\n\n\ttype FooStatus struct{\n\t    // Represents the
-                    observations of a foo's current state.\n\t    // Known .status.conditions.type
-                    are: \"Available\", \"Progressing\", and \"Degraded\"\n\t    //
-                    +patchMergeKey=type\n\t    // +patchStrategy=merge\n\t    // +listType=map\n\t
-                    \   // +listMapKey=type\n\t    Conditions []metav1.Condition `json:\"conditions,omitempty\"
-                    patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`\n\n\n\t
-                    \   // other fields\n\t}"
+                  description: Condition contains details for one aspect of the current
+                    state of this API Resource.
                   properties:
                     lastTransitionTime:
                       description: |-
@@ -1055,12 +1036,7 @@ spec:
                       - Unknown
                       type: string
                     type:
-                      description: |-
-                        type of condition in CamelCase or in foo.example.com/CamelCase.
-                        ---
-                        Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be
-                        useful (see .node.status.conditions), the ability to deconflict is important.
-                        The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
+                      description: type of condition in CamelCase or in foo.example.com/CamelCase.
                       maxLength: 316
                       pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
                       type: string
@@ -1633,16 +1609,8 @@ spec:
             properties:
               conditions:
                 items:
-                  description: "Condition contains details for one aspect of the current
-                    state of this API Resource.\n---\nThis struct is intended for
-                    direct use as an array at the field path .status.conditions.  For
-                    example,\n\n\n\ttype FooStatus struct{\n\t    // Represents the
-                    observations of a foo's current state.\n\t    // Known .status.conditions.type
-                    are: \"Available\", \"Progressing\", and \"Degraded\"\n\t    //
-                    +patchMergeKey=type\n\t    // +patchStrategy=merge\n\t    // +listType=map\n\t
-                    \   // +listMapKey=type\n\t    Conditions []metav1.Condition `json:\"conditions,omitempty\"
-                    patchStrategy:\"merge\" patchMergeKey:\"type\" protobuf:\"bytes,1,rep,name=conditions\"`\n\n\n\t
-                    \   // other fields\n\t}"
+                  description: Condition contains details for one aspect of the current
+                    state of this API Resource.
                   properties:
                     lastTransitionTime:
                       description: |-
@@ -1683,12 +1651,7 @@ spec:
                       - Unknown
                       type: string
                     type:
-                      description: |-
-                        type of condition in CamelCase or in foo.example.com/CamelCase.
-                        ---
-                        Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be
-                        useful (see .node.status.conditions), the ability to deconflict is important.
-                        The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
+                      description: type of condition in CamelCase or in foo.example.com/CamelCase.
                       maxLength: 316
                       pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
                       type: string