diff --git a/mcrouter/FBTHRIFT_COMMIT b/mcrouter/FBTHRIFT_COMMIT
new file mode 100644
index 000000000..4643f4da0
--- /dev/null
+++ b/mcrouter/FBTHRIFT_COMMIT
@@ -0,0 +1 @@
+6d6f6b8dd7d3333690e78e27b4c68ff7a55614df
diff --git a/mcrouter/FIZZ_COMMIT b/mcrouter/FIZZ_COMMIT
new file mode 100644
index 000000000..4fb8e4422
--- /dev/null
+++ b/mcrouter/FIZZ_COMMIT
@@ -0,0 +1 @@
+979b09dbcd0344890692582d4fb5cb97bc7ab21e
diff --git a/mcrouter/FOLLY_COMMIT b/mcrouter/FOLLY_COMMIT
new file mode 100644
index 000000000..75a40f3fe
--- /dev/null
+++ b/mcrouter/FOLLY_COMMIT
@@ -0,0 +1 @@
+b35bea8f0784806e687e32f6914f4a504785ea06
diff --git a/mcrouter/VERSION b/mcrouter/VERSION
index 88f083547..bc17f210e 100644
--- a/mcrouter/VERSION
+++ b/mcrouter/VERSION
@@ -1 +1 @@
-40:0-master
+41:0
diff --git a/mcrouter/WANGLE_COMMIT b/mcrouter/WANGLE_COMMIT
new file mode 100644
index 000000000..94c6885f0
--- /dev/null
+++ b/mcrouter/WANGLE_COMMIT
@@ -0,0 +1 @@
+5ad3fbcf378ab50ef52b0bc9cd12d3e9d6fa1e82