diff --git a/CLOBBER b/CLOBBER
index d1b71bfe472af1c7f703e1aaae93bf4362b29641..4470ab228362676feda550a16de43cfa23ecd8f3 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 2024-03-18
\ No newline at end of file
+Merge day clobber 2024-04-15
\ No newline at end of file
diff --git a/browser/config/version.txt b/browser/config/version.txt
index dc72eb956cfaf3f56c889d3fbe5384885659419a..fc305fd9a7e65c11337be1206efad28fdaab0f18 100644
--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1 +1 @@
-115.10.0
+115.11.0
diff --git a/browser/config/version_display.txt b/browser/config/version_display.txt
index bf3417d98d3a6f7e562045da22d2cb17c9aff427..d34369691a3317f1a8fae11a15a52e7e150ea34a 100644
--- a/browser/config/version_display.txt
+++ b/browser/config/version_display.txt
@@ -1 +1 @@
-115.10.0esr
+115.11.0esr
diff --git a/config/milestone.txt b/config/milestone.txt
index ed43b7c4f01b60c14c473fa531a7199cf6a816d7..8e8f41c14d9bfcd9ae350d2277ddff27bf2e9850 100644
--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-115.10.0
+115.11.0