diff --git a/CLOBBER b/CLOBBER
index 83ea1210ad57..ce2e14e7d3fa 100644
--- a/CLOBBER
+++ b/CLOBBER
@@ -22,4 +22,4 @@
 # changes to stick? As of bug 928195, this shouldn't be necessary! Please
 # don't change CLOBBER for WebIDL changes any more.
 
-Merge day clobber 2024-07-01
\ No newline at end of file
+Merge day clobber 2024-07-08
\ No newline at end of file
diff --git a/browser/config/version.txt b/browser/config/version.txt
index 278160a242ef..ebe6ccf6fe50 100644
--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1 +1 @@
-128.0
+128.1.0
diff --git a/browser/config/version_display.txt b/browser/config/version_display.txt
index cac6a71417a9..e61688c983d7 100644
--- a/browser/config/version_display.txt
+++ b/browser/config/version_display.txt
@@ -1 +1 @@
-128.0esr
+128.1.0esr
diff --git a/config/milestone.txt b/config/milestone.txt
index 329436732f1c..bc2a98a3d65f 100644
--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-128.0
+128.1.0