diff --git a/browser/config/version.txt b/browser/config/version.txt
index 84d10a0836df..40f90c38b4a4 100644
--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1 +1 @@
-71.0a1
+72.0a1
diff --git a/browser/config/version_display.txt b/browser/config/version_display.txt
index 84d10a0836df..40f90c38b4a4 100644
--- a/browser/config/version_display.txt
+++ b/browser/config/version_display.txt
@@ -1 +1 @@
-71.0a1
+72.0a1
diff --git a/config/milestone.txt b/config/milestone.txt
index fc3d4a51703f..55a637ece916 100644
--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-71.0a1
+72.0a1
diff --git a/services/sync/modules/constants.js b/services/sync/modules/constants.js
index 9cbdf1e9e374..5d87f90a6f23 100644
--- a/services/sync/modules/constants.js
+++ b/services/sync/modules/constants.js
@@ -8,7 +8,7 @@ for (let [key, val] of Object.entries({
 
 // Don't manually modify this line, as it is automatically replaced on merge day
 // by the gecko_migration.py script.
-WEAVE_VERSION: "1.73.0",
+WEAVE_VERSION: "1.74.0",
 
 // Sync Server API version that the client supports.
 SYNC_API_VERSION:                      "1.5",
diff --git a/xpcom/components/Module.h b/xpcom/components/Module.h
index ba3948215d68..7e8294105675 100644
--- a/xpcom/components/Module.h
+++ b/xpcom/components/Module.h
@@ -21,7 +21,7 @@ namespace mozilla {
  * via a module loader.
  */
 struct Module {
-  static const unsigned int kVersion = 71;
+  static const unsigned int kVersion = 72;
 
   struct CIDEntry;