diff --git a/src/parser/driver.cc b/src/parser/driver.cc
index 6ffcda49..ec1b3e3b 100644
--- a/src/parser/driver.cc
+++ b/src/parser/driver.cc
@@ -1,6 +1,6 @@
 /*
  * ModSecurity, http://www.modsecurity.org/
- * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ * Copyright (c) 2015 - 2023 Trustwave Holdings, Inc. (http://www.trustwave.com/)
  *
  * You may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
diff --git a/src/parser/driver.h b/src/parser/driver.h
index cdd89f3a..e973dc8e 100644
--- a/src/parser/driver.h
+++ b/src/parser/driver.h
@@ -1,6 +1,6 @@
 /*
  * ModSecurity, http://www.modsecurity.org/
- * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ * Copyright (c) 2015 - 2023 Trustwave Holdings, Inc. (http://www.trustwave.com/)
  *
  * You may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
diff --git a/src/transaction.cc b/src/transaction.cc
index 5038b0a0..187b4e23 100644
--- a/src/transaction.cc
+++ b/src/transaction.cc
@@ -1,6 +1,6 @@
 /*
  * ModSecurity, http://www.modsecurity.org/
- * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ * Copyright (c) 2015 - 2023 Trustwave Holdings, Inc. (http://www.trustwave.com/)
  *
  * You may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
diff --git a/src/utils/ip_tree.cc b/src/utils/ip_tree.cc
index df23280a..969213a5 100644
--- a/src/utils/ip_tree.cc
+++ b/src/utils/ip_tree.cc
@@ -1,6 +1,6 @@
 /*
  * ModSecurity, http://www.modsecurity.org/
- * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ * Copyright (c) 2015 - 2022 Trustwave Holdings, Inc. (http://www.trustwave.com/)
  *
  * You may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
diff --git a/src/utils/msc_tree.cc b/src/utils/msc_tree.cc
index 5df5f110..167bfa96 100644
--- a/src/utils/msc_tree.cc
+++ b/src/utils/msc_tree.cc
@@ -1,6 +1,6 @@
 /*
  * ModSecurity for Apache 2.x, http://www.modsecurity.org/
- * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ * Copyright (c) 2015 - 2023 Trustwave Holdings, Inc. (http://www.trustwave.com/)
  *
  * You may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at