diff --git a/browser/config/version.txt b/browser/config/version.txt
index d15c3c4dc6e6..11a4e3cb2d04 100644
--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1 +1 @@
-91.0
+91.0.1
diff --git a/browser/config/version_display.txt b/browser/config/version_display.txt
index b9846fa4e056..4a7ef9c550de 100644
--- a/browser/config/version_display.txt
+++ b/browser/config/version_display.txt
@@ -1 +1 @@
-91.0esr
+91.0.1esr
diff --git a/config/milestone.txt b/config/milestone.txt
index 37c6ffe7dd37..3a64d54b07b1 100644
--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-91.0
+91.0.1