diff --git a/internal/controller/styra/system_controller.go b/internal/controller/styra/system_controller.go
index e6634fda..6be49041 100644
--- a/internal/controller/styra/system_controller.go
+++ b/internal/controller/styra/system_controller.go
@@ -821,6 +821,7 @@ func (r *SystemReconciler) reconcileSystemBundle(
 		Name:          uniqueName,
 		ObjectStorage: objectStorage,
 		Requirements:  requirements,
+		Revision:      bundleRevision(),
 	}
 	err := r.OCP.PutBundle(ctx, bundle)
 
@@ -830,6 +831,14 @@ func (r *SystemReconciler) reconcileSystemBundle(
 	return ctrl.Result{}, nil
 }
 
+// bundleRevision produces a string containing the commit sha for each git requirement
+// and the sha256 hash of the concatenated hashes of all datasources,
+// for example "data:sha256,gitsource1:commitsha1,requirement1:commitsha2"
+func bundleRevision() string {
+	return `$"data:{crypto.sha256(concat("", {x | x := input.sources[_].sql.hash}))},` +
+		`{concat(",", {sprintf("%s:%s", [y, x]) | some y; x := input.sources[y].git.commit})}"`
+}
+
 func (r *SystemReconciler) reconcileSystemSource(
 	ctx context.Context,
 	log logr.Logger,
diff --git a/pkg/ocp/bundles.go b/pkg/ocp/bundles.go
index 4e3b1e0e..1ae6d8b5 100644
--- a/pkg/ocp/bundles.go
+++ b/pkg/ocp/bundles.go
@@ -30,15 +30,6 @@ const (
 	endpointV1Bundles = "/v1/bundles"
 )
 
-// BundleConfig represents the configuration of a bundle in the OCP APIs.
-type BundleConfig struct {
-	Name          string            `json:"-" yaml:"-"`
-	Labels        map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
-	ObjectStorage ObjectStorage     `json:"object_storage,omitempty" yaml:"object_storage,omitempty"`
-	Requirements  []Requirement     `json:"requirements,omitempty" yaml:"requirements,omitempty"`
-	ExcludedFiles []string          `json:"excluded_files,omitempty" yaml:"excluded_files,omitempty"`
-}
-
 // ObjectStorage represents the object storage configuration for a bundle.
 type ObjectStorage struct {
 	AmazonS3 *AmazonS3 `json:"aws,omitempty" yaml:"aws,omitempty"`
@@ -84,6 +75,7 @@ type PutBundleRequest struct {
 	Labels        map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
 	ObjectStorage ObjectStorage     `json:"object_storage,omitempty" yaml:"object_storage,omitempty"`
 	Requirements  []Requirement     `json:"requirements,omitempty" yaml:"requirements,omitempty"`
+	Revision      string            `json:"revision,omitempty" yaml:"revision,omitempty"`
 	ExcludedFiles []string          `json:"excluded_files,omitempty" yaml:"excluded_files,omitempty"`
 }
 
diff --git a/test/integration/controller/system_controller_test.go b/test/integration/controller/system_controller_test.go
index da9e66fd..b44ce293 100644
--- a/test/integration/controller/system_controller_test.go
+++ b/test/integration/controller/system_controller_test.go
@@ -2629,6 +2629,8 @@ var _ = ginkgo.Describe("SystemReconciler.ReconcileOCPSystem", ginkgo.Label("int
 					Source: "default-ocp-system",
 				},
 			},
+			Revision: `$"data:{crypto.sha256(concat("", {x | x := input.sources[_].sql.hash}))},` +
+				`{concat(",", {sprintf("%s:%s", [y, x]) | some y; x := input.sources[y].git.commit})}"`,
 		}).Return(nil).Once()
 
 		// Called in reconcileS3Credentials
@@ -2688,6 +2690,8 @@ var _ = ginkgo.Describe("SystemReconciler.ReconcileOCPSystem", ginkgo.Label("int
 					Source: "default-ocp-system",
 				},
 			},
+			Revision: `$"data:{crypto.sha256(concat("", {x | x := input.sources[_].sql.hash}))},` +
+				`{concat(",", {sprintf("%s:%s", [y, x]) | some y; x := input.sources[y].git.commit})}"`,
 		}).Return(nil).Once()
 
 		// Called in reconcileS3Credentials
@@ -2741,6 +2745,8 @@ var _ = ginkgo.Describe("SystemReconciler.ReconcileOCPSystem", ginkgo.Label("int
 					Source: "default-ocp-system",
 				},
 			},
+			Revision: `$"data:{crypto.sha256(concat("", {x | x := input.sources[_].sql.hash}))},` +
+				`{concat(",", {sprintf("%s:%s", [y, x]) | some y; x := input.sources[y].git.commit})}"`,
 		}).Return(nil).Once()
 
 		// Called in reconcileS3Credentials