diff --git a/src/core/operations/ZstdCompress.mjs b/src/core/operations/ZstdCompress.mjs
index 4f03ebf4..e10cd02d 100644
--- a/src/core/operations/ZstdCompress.mjs
+++ b/src/core/operations/ZstdCompress.mjs
@@ -1,6 +1,6 @@
 /**
  * @author Leon Zandman [leon@wirwar.com]
- * @copyright Crown Copyright 2027
+ * @copyright Crown Copyright 2026
  * @license Apache-2.0
  */
 
diff --git a/src/core/operations/ZstdDecompress.mjs b/src/core/operations/ZstdDecompress.mjs
index 3e6dd2bc..784940ee 100644
--- a/src/core/operations/ZstdDecompress.mjs
+++ b/src/core/operations/ZstdDecompress.mjs
@@ -1,6 +1,6 @@
 /**
  * @author Leon Zandman [leon@wirwar.com]
- * @copyright Crown Copyright 2027
+ * @copyright Crown Copyright 2026
  * @license Apache-2.0
  */