diff --git a/README-ja.md b/README-ja.md
index af31424..3e7afd6 100644
--- a/README-ja.md
+++ b/README-ja.md
@@ -71,7 +71,7 @@ Maidroid を右クリックし, Core と書かれたスロットに先ほど作
 
 ## Lisense
 
-- Source Code : [GPLv3](https://www.gnu.org/licenses/gpl-3.0.html) or later
+- Source Code : [LGPLv2.1](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt) or later
 - Resources : [CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) or later
 
 ## Contributers
diff --git a/README.md b/README.md
index 52364bc..f2b69b6 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ The forum topic for this mod on the Minetest Forums is located at:
 
 ## License
 
-- The source code of Maidroid is available under the [GPLv3](https://www.gnu.org/licenses/gpl-3.0.html) or later license.
+- The source code of Maidroid is available under the [LGPLv2.1](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt) or later license.
 - The resouces included in Maidroid are available under the [CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) or later license.
 
 ## Contributers