diff --git a/internal/controllers/bundledeployment/bundledeployment.go b/internal/controllers/bundledeployment/bundledeployment.go
index 39bdb2ec..4be977c2 100644
--- a/internal/controllers/bundledeployment/bundledeployment.go
+++ b/internal/controllers/bundledeployment/bundledeployment.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/operator-framework/rukpak/internal/probing"
 	"io"
 	"strings"
 	"sync"
@@ -371,7 +372,33 @@ func (c *controller) reconcile(ctx context.Context, bd *rukpakv1alpha1.BundleDep
 	bd.Status.ActiveBundle = bundle.GetName()
 
 	if features.RukpakFeatureGate.Enabled(features.BundleDeploymentHealth) {
-		if err = healthchecks.AreObjectsHealthy(ctx, c.cl, relObjects); err != nil {
+		doit := func() error {
+			probe, err := probing.Parse(ctx, bd.Spec.AvailabilityProbes)
+			if err != nil {
+				log.FromContext(ctx).V(1).Info("failed to parse probes - using default health-check", "error", err)
+				return healthchecks.AreObjectsHealthy(ctx, c.cl, relObjects)
+			}
+
+			var probeSuccess = true
+			var messages []string
+			for _, obj := range relObjects {
+				unstructuredObj, err := runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
+				if err != nil {
+					return err
+				}
+				success, message := probe.Probe(&unstructured.Unstructured{Object: unstructuredObj})
+				probeSuccess = probeSuccess && success
+				if !success {
+					messages = append(messages, message)
+				}
+			}
+			if !probeSuccess {
+				return errors.New(strings.Join(messages, ", "))
+			}
+			return nil
+		}
+
+		if err = doit(); err != nil {
 			meta.SetStatusCondition(&bd.Status.Conditions, metav1.Condition{
 				Type:    rukpakv1alpha1.TypeHealthy,
 				Status:  metav1.ConditionFalse,
diff --git a/internal/probing/cel.go b/internal/probing/cel.go
index 3a028a95..392b54b7 100644
--- a/internal/probing/cel.go
+++ b/internal/probing/cel.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 
 	"github.com/google/cel-go/cel"
-	"github.com/google/cel-go/ext"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apiserver/pkg/cel/library"
 )
@@ -25,7 +24,8 @@ func newCELProbe(rule, message string) (*celProbe, error) {
 		cel.EagerlyValidateDeclarations(true),
 		cel.DefaultUTCTimeZone(true),
 
-		ext.Strings(ext.StringsVersion(0)),
+		// TODO: this doesn't exist in the working version of the cel library
+		// ext.Strings(ext.StringsVersion(0)),
 		library.URLs(),
 		library.Regex(),
 		library.Lists(),