diff --git a/src/main/java/org/openrewrite/docker/trait/DockerfileImageReference.java b/src/main/java/org/openrewrite/docker/trait/DockerfileImageReference.java
index 7fc5059..2e689bc 100644
--- a/src/main/java/org/openrewrite/docker/trait/DockerfileImageReference.java
+++ b/src/main/java/org/openrewrite/docker/trait/DockerfileImageReference.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * Licensed under the Moderne Source Available License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://docs.moderne.io/licensing/moderne-source-available-license
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.openrewrite.docker.trait;
 
 import lombok.Value;
diff --git a/src/main/java/org/openrewrite/docker/trait/ImageMatcher.java b/src/main/java/org/openrewrite/docker/trait/ImageMatcher.java
index e9082cc..1e71016 100644
--- a/src/main/java/org/openrewrite/docker/trait/ImageMatcher.java
+++ b/src/main/java/org/openrewrite/docker/trait/ImageMatcher.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * Licensed under the Moderne Source Available License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://docs.moderne.io/licensing/moderne-source-available-license
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.openrewrite.docker.trait;
 
 import org.openrewrite.trait.Reference;
diff --git a/src/main/java/org/openrewrite/docker/trait/YamlImageReference.java b/src/main/java/org/openrewrite/docker/trait/YamlImageReference.java
index fb4fa80..3a90252 100644
--- a/src/main/java/org/openrewrite/docker/trait/YamlImageReference.java
+++ b/src/main/java/org/openrewrite/docker/trait/YamlImageReference.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * Licensed under the Moderne Source Available License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://docs.moderne.io/licensing/moderne-source-available-license
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.openrewrite.docker.trait;
 
 import lombok.EqualsAndHashCode;