diff --git a/NOTICE.txt b/NOTICE.txt
index 428b4a119..84f26facb 100755
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,4 +1,4 @@
-Copyright 2023 The MITRE Corporation
+Copyright 2024 The MITRE Corporation
 
 Approved for Public Release; Distribution Unlimited. Case Number 18-0128.
 
diff --git a/README.md b/README.md
index 7ccfccb3e..bc2421c08 100755
--- a/README.md
+++ b/README.md
@@ -256,7 +256,7 @@ STIX is designed to improve many different capabilities, such as collaborative t
 
 ## Notice
 
-Copyright 2023 The MITRE Corporation
+Copyright 2024 The MITRE Corporation
 
 Approved for Public Release; Distribution Unlimited. Case Number 18-0128.
 
diff --git a/USAGE.md b/USAGE.md
index 10158247a..10a2828d1 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -635,7 +635,7 @@ To get the full view of the matrix on a single page, be sure to disable the stic
 
 # Notice
 
-Copyright 2023 The MITRE Corporation
+Copyright 2024 The MITRE Corporation
 
 Approved for Public Release; Distribution Unlimited. Case Number 18-0128.