diff --git a/stable-download/certs/22w20b-1.dat b/stable-download/certs/22w20b-1.dat
new file mode 100644
index 0000000..9548ce4
Binary files /dev/null and b/stable-download/certs/22w20b-1.dat differ
diff --git a/stable-download/certs/index.txt b/stable-download/certs/index.txt
index 136fe6c..a1f462e 100644
--- a/stable-download/certs/index.txt
+++ b/stable-download/certs/index.txt
@@ -1,2 +1,3 @@
 # eaglercraft secure mode certificate list
-https://raw.githubusercontent.com/LAX1DUDE/eaglercraft/main/stable-download/certs/22w19a-1.dat
\ No newline at end of file
+https://raw.githubusercontent.com/LAX1DUDE/eaglercraft/main/stable-download/certs/22w19a-1.dat
+https://raw.githubusercontent.com/LAX1DUDE/eaglercraft/main/stable-download/certs/22w20b-1.dat
\ No newline at end of file