diff --git a/last_release.txt b/last_release.txt
index d63a25a..0fdd235 100644
--- a/last_release.txt
+++ b/last_release.txt
@@ -1 +1 @@
-1.19.4
\ No newline at end of file
+1.20
\ No newline at end of file
diff --git a/last_snapshot.txt b/last_snapshot.txt
index 0fdd235..e40271e 100644
--- a/last_snapshot.txt
+++ b/last_snapshot.txt
@@ -1 +1 @@
-1.20
\ No newline at end of file
+1.20.1-rc1
\ No newline at end of file
diff --git a/output/mappings-1.20to1.20.nbt b/output/mappings-1.20to1.20.nbt
new file mode 100644
index 0000000..dcb06bd
Binary files /dev/null and b/output/mappings-1.20to1.20.nbt differ