diff --git a/pdfjs.config b/pdfjs.config
index ffba2418a..7f432da0a 100644
--- a/pdfjs.config
+++ b/pdfjs.config
@@ -1,6 +1,6 @@
 {
-  "betaVersion": "1.8.188",
-  "stableVersion": "1.7.225",
+  "betaVersion": "1.9.426",
+  "stableVersion": "1.8.188",
   "baseVersion": "c4c44c1bbe5474c5c9085357451d18665b4488cf",
   "versionPrefix": "1.9."
-}
+}
\ No newline at end of file