diff --git a/CLOBBER b/CLOBBER
index 2a966c8a83f86fe0d328734f602bd9ef78fc0958..db96c37a704922409ab55029c64730242637a0ae 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 2024-09-02
\ No newline at end of file
+Merge day clobber 2024-09-30
\ No newline at end of file
diff --git a/browser/config/version.txt b/browser/config/version.txt
index b6de367d71a95d659fad64b6551ee3df39ad6a88..8bb1cfc5392e33fef0a23d435472866f91cf9989 100644
--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1 +1 @@
-115.16.0
+115.17.0
diff --git a/browser/config/version_display.txt b/browser/config/version_display.txt
index 38ad976fc2594d073c6d586c1374715e395df5ff..f3b7e400816a816bd44b62b195a8baea37c4aff6 100644
--- a/browser/config/version_display.txt
+++ b/browser/config/version_display.txt
@@ -1 +1 @@
-115.16.0esr
+115.17.0esr
diff --git a/config/milestone.txt b/config/milestone.txt
index c3c23902ffa31e8a1036c6d168672e9de66c36d5..7193fdc8fe104cf65a4a89a3adc0f2f0a5fa9345 100644
--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-115.16.0
+115.17.0