diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2da32cd4b..836927890 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 Changelog
 ==========
 
+Version 6.21.0 *(2021-08-18)*
+----------------------------
+
+ * Add support for APNG files
+ * Fixed some crashes at zooming HEIC files
+ * Do not allow clicking bottom buttons at fullscreen mode
+
 Version 6.20.3 *(2021-06-28)*
 ----------------------------
 
diff --git a/fastlane/metadata/android/en-US/changelogs/346.txt b/fastlane/metadata/android/en-US/changelogs/346.txt
new file mode 100644
index 000000000..b4c104064
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/346.txt
@@ -0,0 +1,3 @@
+ * Add support for APNG files
+ * Fixed some crashes at zooming HEIC files
+ * Do not allow clicking bottom buttons at fullscreen mode