diff --git a/quip-pathdb.yml b/quip-pathdb.yml
index 8af5627..8f27a04 100644
--- a/quip-pathdb.yml
+++ b/quip-pathdb.yml
@@ -47,7 +47,7 @@ services:
     build:
       context: "https://github.com/SBU-BMI/PathDB.git#1.3.5"
       args:
-        viewer: "v3.8.3"
+        viewer: "v3.8.4"
     container_name: quip-pathdb
     restart: unless-stopped
     ports: ["443:443","80:80"]