diff --git a/apis/pubsub/v1alpha1/topic_types.go b/apis/pubsub/v1alpha1/topic_types.go
index 441e29fbc..df8caf764 100644
--- a/apis/pubsub/v1alpha1/topic_types.go
+++ b/apis/pubsub/v1alpha1/topic_types.go
@@ -39,6 +39,23 @@ type TopicParameters struct {
 	// +optional
 	MessageStoragePolicy *MessageStoragePolicy `json:"messageStoragePolicy,omitempty"`
 
+	// MessageRetentionDuration: Indicates the minimum duration to retain a
+	// message after it is published to the topic. If this field is set,
+	// messages published to the topic in the last
+	// `message_retention_duration` are always available to subscribers. For
+	// instance, it allows any attached subscription to seek to a timestamp
+	// (https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
+	// that is up to `message_retention_duration` in the past. If this field
+	// is not set, message retention is controlled by settings on individual
+	// subscriptions. Cannot be more than 31 days or less than 10 minutes.
+	//
+	// The duration must be in seconds, terminated by 's'. Example: "1200s".
+	// Avoid using fractional digits.
+	//
+	// +kubebuilder:validation:Pattern=[0-9]+s$
+	// +optional
+	MessageRetentionDuration *string `json:"messageRetentionDuration,omitempty"`
+
 	// KmsKeyName is the resource name of the Cloud KMS CryptoKey to be used to
 	// protect access to messages published on this topic.
 	//
diff --git a/apis/pubsub/v1alpha1/zz_generated.deepcopy.go b/apis/pubsub/v1alpha1/zz_generated.deepcopy.go
index 142f26bd1..35110b4d5 100644
--- a/apis/pubsub/v1alpha1/zz_generated.deepcopy.go
+++ b/apis/pubsub/v1alpha1/zz_generated.deepcopy.go
@@ -341,6 +341,11 @@ func (in *TopicParameters) DeepCopyInto(out *TopicParameters) {
 		*out = new(MessageStoragePolicy)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.MessageRetentionDuration != nil {
+		in, out := &in.MessageRetentionDuration, &out.MessageRetentionDuration
+		*out = new(string)
+		**out = **in
+	}
 	if in.KmsKeyName != nil {
 		in, out := &in.KmsKeyName, &out.KmsKeyName
 		*out = new(string)
diff --git a/package/crds/pubsub.gcp.crossplane.io_topics.yaml b/package/crds/pubsub.gcp.crossplane.io_topics.yaml
index 89d216517..4ee7a89ba 100644
--- a/package/crds/pubsub.gcp.crossplane.io_topics.yaml
+++ b/package/crds/pubsub.gcp.crossplane.io_topics.yaml
@@ -144,6 +144,20 @@ spec:
                       type: string
                     description: Labels are used as additional metadata on Topic.
                     type: object
+                  messageRetentionDuration:
+                    description: "MessageRetentionDuration: Indicates the minimum
+                      duration to retain a message after it is published to the topic.
+                      If this field is set, messages published to the topic in the
+                      last `message_retention_duration` are always available to subscribers.
+                      For instance, it allows any attached subscription to seek to
+                      a timestamp (https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
+                      that is up to `message_retention_duration` in the past. If this
+                      field is not set, message retention is controlled by settings
+                      on individual subscriptions. Cannot be more than 31 days or
+                      less than 10 minutes. \n The duration must be in seconds, terminated
+                      by 's'. Example: \"1200s\". Avoid using fractional digits."
+                    pattern: '[0-9]+s$'
+                    type: string
                   messageStoragePolicy:
                     description: MessageStoragePolicy is the policy constraining the
                       set of Google Cloud Platform regions where messages published
diff --git a/pkg/clients/topic/topic.go b/pkg/clients/topic/topic.go
index ea44b3e64..092c0de74 100644
--- a/pkg/clients/topic/topic.go
+++ b/pkg/clients/topic/topic.go
@@ -48,6 +48,9 @@ func GenerateTopic(name string, s v1alpha1.TopicParameters) *pubsub.Topic {
 			AllowedPersistenceRegions: s.MessageStoragePolicy.AllowedPersistenceRegions,
 		}
 	}
+	if s.MessageRetentionDuration != nil {
+		t.MessageRetentionDuration = gcp.StringValue(s.MessageRetentionDuration)
+	}
 	return t
 }
 
@@ -66,6 +69,9 @@ func LateInitialize(s *v1alpha1.TopicParameters, t pubsub.Topic) {
 	if s.MessageStoragePolicy == nil && t.MessageStoragePolicy != nil {
 		s.MessageStoragePolicy = &v1alpha1.MessageStoragePolicy{AllowedPersistenceRegions: t.MessageStoragePolicy.AllowedPersistenceRegions}
 	}
+	if s.MessageRetentionDuration == nil && len(t.MessageRetentionDuration) != 0 {
+		s.MessageRetentionDuration = gcp.StringPtr(t.MessageRetentionDuration)
+	}
 }
 
 // IsUpToDate checks whether Topic is configured with given TopicParameters.
@@ -92,6 +98,12 @@ func GenerateUpdateRequest(name string, s v1alpha1.TopicParameters, t pubsub.Top
 			}
 		}
 	}
+	if !cmp.Equal(s.MessageRetentionDuration, observed.MessageRetentionDuration) {
+		mask = append(mask, "messageRetentionDuration")
+		if s.MessageRetentionDuration != nil {
+			ut.Topic.MessageRetentionDuration = gcp.StringValue(s.MessageRetentionDuration)
+		}
+	}
 	if !cmp.Equal(s.Labels, observed.Labels) {
 		mask = append(mask, "labels")
 		ut.Topic.Labels = s.Labels
diff --git a/pkg/clients/topic/topic_test.go b/pkg/clients/topic/topic_test.go
index ee7653b5a..09773f7a6 100644
--- a/pkg/clients/topic/topic_test.go
+++ b/pkg/clients/topic/topic_test.go
@@ -39,7 +39,8 @@ func params() *v1alpha1.TopicParameters {
 		MessageStoragePolicy: &v1alpha1.MessageStoragePolicy{
 			AllowedPersistenceRegions: []string{"bar", "foo"},
 		},
-		KmsKeyName: gcp.StringPtr("mykms"),
+		KmsKeyName:               gcp.StringPtr("mykms"),
+		MessageRetentionDuration: gcp.StringPtr("600s"),
 	}
 }
 
@@ -52,7 +53,8 @@ func topic() *pubsub.Topic {
 		MessageStoragePolicy: &pubsub.MessageStoragePolicy{
 			AllowedPersistenceRegions: []string{"bar", "foo"},
 		},
-		KmsKeyName: "mykms",
+		KmsKeyName:               "mykms",
+		MessageRetentionDuration: "600s",
 	}
 }
 
@@ -175,7 +177,7 @@ func TestGenerateUpdateRequest(t *testing.T) {
 			},
 			result: &pubsub.UpdateTopicRequest{
 				Topic:      withoutKMS,
-				UpdateMask: "messageStoragePolicy,labels",
+				UpdateMask: "messageStoragePolicy,messageRetentionDuration,labels",
 			},
 		},
 	}