diff --git a/pdfjs.config b/pdfjs.config
index 05449585c..a39b21e97 100644
--- a/pdfjs.config
+++ b/pdfjs.config
@@ -1,5 +1,5 @@
 {
-  "stableVersion": "2.16.105",
-  "baseVersion": "172ccdbe5b4b0e3f77e37749b4e87bb00a087daf",
-  "versionPrefix": "3.0."
+  "stableVersion": "3.0.279",
+  "baseVersion": "d0823066cc01a2f3d45ac46d8a653a74830d69ea",
+  "versionPrefix": "3.1."
 }