diff --git a/HISTORY.md b/HISTORY.md
index e66d6243..dc48dcde 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -18,6 +18,7 @@
* threads: optimized special cases for compiled version of COMBINE
* gui, objects: undelete sprites
* threads: correct identities when combining the items of an empty list with + / * / min / max
+* gui: pushed dev version to 6.7 because of new documentable features
### 2021-03-01
* byob: improved layout and rendering of (+) buttons in custom block prototypes
diff --git a/snap.html b/snap.html
index 6b0b55e2..011b4086 100755
--- a/snap.html
+++ b/snap.html
@@ -3,7 +3,7 @@
- Snap! 6.6.1 - dev - Build Your Own Blocks
+ Snap! 6.7.0 - dev - Build Your Own Blocks
diff --git a/src/gui.js b/src/gui.js
index 685eb278..a02a65a0 100644
--- a/src/gui.js
+++ b/src/gui.js
@@ -4282,7 +4282,7 @@ IDE_Morph.prototype.aboutSnap = function () {
module, btn1, btn2, btn3, btn4, licenseBtn, translatorsBtn,
world = this.world();
- aboutTxt = 'Snap! 6.6.1 - dev -\nBuild Your Own Blocks\n\n'
+ aboutTxt = 'Snap! 6.7.0 - dev -\nBuild Your Own Blocks\n\n'
+ 'Copyright \u24B8 2008-2021 Jens M\u00F6nig and '
+ 'Brian Harvey\n'
+ 'jens@moenig.org, bh@cs.berkeley.edu\n\n'