diff --git a/.Rbuildignore b/.Rbuildignore
index 4345e03..0739b0a 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,8 +1,8 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^data-raw$
+^LICENSE\.txt$
 ^cran-comments\.md$
-^LICENSE\.md$
 ^\.travis\.yml$
 ^revdep$
 ^CRAN-RELEASE$
diff --git a/LICENSE.md b/LICENSE.txt
similarity index 97%
rename from LICENSE.md
rename to LICENSE.txt
index d1697b9..5f1ac43 100644
--- a/LICENSE.md
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2022
+Copyright (c) 2018-2025
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal