diff --git a/config/crds/cluster_v1alpha1_machine.yaml b/config/crds/cluster_v1alpha1_machine.yaml
index f24e69f338e6..fa765ec538f8 100644
--- a/config/crds/cluster_v1alpha1_machine.yaml
+++ b/config/crds/cluster_v1alpha1_machine.yaml
@@ -66,6 +66,11 @@ spec:
                           type: string
                       type: object
                   type: object
+              oneOf:
+              - required:
+                - value
+              - required:
+                - valueFrom
               type: object
             taints:
               description: Taints is the full, authoritative list of taints to apply
diff --git a/config/crds/cluster_v1alpha1_machinedeployment.yaml b/config/crds/cluster_v1alpha1_machinedeployment.yaml
index 40bbc3036ca2..718ac56495e8 100644
--- a/config/crds/cluster_v1alpha1_machinedeployment.yaml
+++ b/config/crds/cluster_v1alpha1_machinedeployment.yaml
@@ -161,6 +161,11 @@ spec:
                                   type: string
                               type: object
                           type: object
+                      oneOf:
+                      - required:
+                        - value
+                      - required:
+                        - valueFrom
                       type: object
                     taints:
                       description: Taints is the full, authoritative list of taints
diff --git a/config/crds/cluster_v1alpha1_machineset.yaml b/config/crds/cluster_v1alpha1_machineset.yaml
index 4df91b3de86b..b8d073381aad 100644
--- a/config/crds/cluster_v1alpha1_machineset.yaml
+++ b/config/crds/cluster_v1alpha1_machineset.yaml
@@ -101,6 +101,11 @@ spec:
                                   type: string
                               type: object
                           type: object
+                      oneOf:
+                      - required:
+                        - value
+                      - required:
+                        - valueFrom
                       type: object
                     taints:
                       description: Taints is the full, authoritative list of taints