diff --git a/LANG.md b/LANG.md
index 4e7aa5e2..48e6e12d 100644
--- a/LANG.md
+++ b/LANG.md
@@ -9,5 +9,6 @@ it
 pl
 pt-br
 ru
+sv
 zh_Hans
 zh_Hant
\ No newline at end of file
diff --git a/README.md b/README.md
index 03252c22..0c2500ed 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,7 @@ Are you using this addon in your Thunderbird?
 - Português Brasileiro (pt-br): Bruno Pereira de Souza <img src="https://micz.it/weblate/thunderai/pt-br.svg">
 - Russian (ru): [Maksim](https://hosted.weblate.org/user/law820314/) <img src="https://micz.it/weblate/thunderai/ru.svg">
 - Spanish (es): [Gerardo Sobarzo](https://hosted.weblate.org/user/gerardo.sobarzo/), [Andrés Rendón Hernández](https://hosted.weblate.org/user/arendon/), [Erick Limon](https://hosted.weblate.org/user/ErickLimonG/) <img src="https://micz.it/weblate/thunderai/es.svg">
+- Swedish (sv): [Andreas Pettersson](https://hosted.weblate.org/user/Andy_tb/) <img src="https://micz.it/weblate/thunderai/sv.svg">
 <br>
 
 Do you want to help translate this addon? [Find out how!](https://micz.it/thunderbird-addon-thunderai/translate/)  <br>