diff --git a/CHANGELOG.md b/CHANGELOG.md
index d407956d..bdcd70ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,17 @@
 # CHANGELOG
 
-Contrast-Finder 0.9.6, 2020-0x-xx  (unreleased)
+Contrast-Finder 0.10.0, 2020-01-xx  (unreleased)
 ---------------------------------
 
 Upgrade-o-meter: just replace the .war file and restart Tomcat
 
 Thanks to:
-- @zwiastunsw       - PR #220
+- @Quenty31     PR #220 Polish translation
+- @zwiastunsw   PR #223 Occitan translation
 
 ### New Feature
 - [#220 - i18n: add Polish](https://github.com/Asqatasun/Contrast-Finder/issues/220)
+- [#223 - i18n: add Occitan](https://github.com/Asqatasun/Contrast-Finder/issues/223)
 
 ### Security
 none
diff --git a/webapp/src/main/java/org/asqatasun/contrastfinder/webapp/controller/AbstractController.java b/webapp/src/main/java/org/asqatasun/contrastfinder/webapp/controller/AbstractController.java
index d230ce9c..6c64bd4c 100644
--- a/webapp/src/main/java/org/asqatasun/contrastfinder/webapp/controller/AbstractController.java
+++ b/webapp/src/main/java/org/asqatasun/contrastfinder/webapp/controller/AbstractController.java
@@ -108,11 +108,11 @@ public abstract class AbstractController {
      * - comma-separated language codes (ISO 639-1: two-letter codes)
      * - order will be the same in the webapp menu
      *
-     *      currently : "en,es,fr,pl,pt,ko"
+     *      currently : "en,es,fr,pl,pt,oc,ko"
      *      can be override in the following file:
      *      /etc/contrast-finder/contrast-finder.conf
      */
-    @Value("${languages:en,es,fr,pl,pt,ko}")
+    @Value("${languages:en,es,fr,pl,pt,oc,ko}")
     private String languages;
 
     /**
@@ -261,6 +261,7 @@ public void setLoadAvailableLanguages(String loadAvailableLanguages) {
         switchLang.put("fr", "Passer en français");
         switchLang.put("pl", "Przełącz na polski");
         switchLang.put("pt", "em Português");
+        switchLang.put("oc", "Passar a l’occitan");
         switchLang.put("ko", "한국어로 전환");
 
         this.textsOfSwitchLanguage   = switchLang;
diff --git a/webapp/src/main/resources/conf/contrast-finder.conf.dist b/webapp/src/main/resources/conf/contrast-finder.conf.dist
index 5030c098..e65a40f4 100644
--- a/webapp/src/main/resources/conf/contrast-finder.conf.dist
+++ b/webapp/src/main/resources/conf/contrast-finder.conf.dist
@@ -34,4 +34,4 @@
 # - comma-separated language codes (ISO 639-1: two-letter codes)
 # - order will be the same in the webapp menu
 ###############################################
-# languages=en,es,fr,pl,pt,ko
+# languages=en,es,fr,pl,pt,oc,ko