diff --git a/ChangeLog.md b/ChangeLog.md
index df09e06935030..abd71117dc8c6 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -18,7 +18,7 @@ to browse the changes between the tags.
 
 See docs/process.md for more on how version tagging works.
 
-5.0.8 (in development)
+6.0.0 (in development)
 ----------------------
 - When performing a streaming Fetch operation, the max chunk size of downloaded
   bytes that is handed over to the Wasm side from JS is now capped to maximum
diff --git a/emscripten-version.txt b/emscripten-version.txt
index 20800f167046d..1d1ca5bc49629 100644
--- a/emscripten-version.txt
+++ b/emscripten-version.txt
@@ -1 +1 @@
-5.0.8-git
+6.0.0-git