diff --git a/x/cctp/module_simulation.go b/x/cctp/module_simulation.go
index d9a6d2e..eb3742c 100644
--- a/x/cctp/module_simulation.go
+++ b/x/cctp/module_simulation.go
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2023, © Circle Internet Financial, LTD.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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 cctp
 
 import (
diff --git a/x/cctp/simulation/genesis.go b/x/cctp/simulation/genesis.go
index cd3c628..c3ce32f 100644
--- a/x/cctp/simulation/genesis.go
+++ b/x/cctp/simulation/genesis.go
@@ -1,4 +1,19 @@
-package simulation
+/*
+ * Copyright (c) 2023, © Circle Internet Financial, LTD.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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 simulation
 
 import (
 	"github.com/circlefin/noble-cctp/x/cctp/types"
diff --git a/x/cctp/simulation/operations.go b/x/cctp/simulation/operations.go
index 164af7e..1d0e811 100644
--- a/x/cctp/simulation/operations.go
+++ b/x/cctp/simulation/operations.go
@@ -1,4 +1,19 @@
-package simulation
+/*
+ * Copyright (c) 2023, © Circle Internet Financial, LTD.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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 simulation
 
 import (
 	"crypto/elliptic"