diff --git a/src/main/java/org/openrewrite/micrometer/dropwizard/package-info.java b/src/main/java/org/openrewrite/micrometer/dropwizard/package-info.java
index 0809c7e..1751df0 100644
--- a/src/main/java/org/openrewrite/micrometer/dropwizard/package-info.java
+++ b/src/main/java/org/openrewrite/micrometer/dropwizard/package-info.java
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-@NonNullApi @NonNullFields
+@NullMarked @NonNullFields
 package org.openrewrite.micrometer.dropwizard;
 
-import org.openrewrite.internal.lang.NonNullApi;
+import org.jspecify.annotations.NullMarked;
 import org.openrewrite.internal.lang.NonNullFields;
diff --git a/src/main/java/org/openrewrite/micrometer/misk/package-info.java b/src/main/java/org/openrewrite/micrometer/misk/package-info.java
index 63263e2..374c193 100644
--- a/src/main/java/org/openrewrite/micrometer/misk/package-info.java
+++ b/src/main/java/org/openrewrite/micrometer/misk/package-info.java
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-@NonNullApi @NonNullFields
+@NullMarked @NonNullFields
 package org.openrewrite.micrometer.misk;
 
-import org.openrewrite.internal.lang.NonNullApi;
+import org.jspecify.annotations.NullMarked;
 import org.openrewrite.internal.lang.NonNullFields;
diff --git a/src/main/java/org/openrewrite/micrometer/package-info.java b/src/main/java/org/openrewrite/micrometer/package-info.java
index 4581de7..87dfb0c 100644
--- a/src/main/java/org/openrewrite/micrometer/package-info.java
+++ b/src/main/java/org/openrewrite/micrometer/package-info.java
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-@NonNullApi @NonNullFields
+@NullMarked @NonNullFields
 package org.openrewrite.micrometer;
 
-import org.openrewrite.internal.lang.NonNullApi;
+import org.jspecify.annotations.NullMarked;
 import org.openrewrite.internal.lang.NonNullFields;
diff --git a/src/test/java/org/openrewrite/micrometer/MicrometerPrometheusCompatabilityTest.java b/src/test/java/org/openrewrite/micrometer/MicrometerPrometheusCompatabilityTest.java
index 1d58d17..2c7a5a2 100644
--- a/src/test/java/org/openrewrite/micrometer/MicrometerPrometheusCompatabilityTest.java
+++ b/src/test/java/org/openrewrite/micrometer/MicrometerPrometheusCompatabilityTest.java
@@ -25,13 +25,13 @@
 import io.prometheus.client.*;
 import io.prometheus.client.Collector.MetricFamilySamples.Sample;
 import lombok.RequiredArgsConstructor;
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtensionContext;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.ArgumentsProvider;
 import org.junit.jupiter.params.provider.ArgumentsSource;
-import org.openrewrite.internal.lang.Nullable;
 
 import java.time.Duration;
 import java.util.*;