diff --git a/pdfjs.config b/pdfjs.config
index 7f9e55f9b..9a615878e 100644
--- a/pdfjs.config
+++ b/pdfjs.config
@@ -1,6 +1,6 @@
 {
-  "betaVersion": "",
+  "betaVersion": "2.1.266",
   "stableVersion": "2.0.943",
-  "baseVersion": "dc98bf76eb3f610bb86af441a5c71792bb58c825",
-  "versionPrefix": "2.1."
+  "baseVersion": "81f5835cd7024827e0671ccd66525df98fb15703",
+  "versionPrefix": "2.2."
 }