diff --git a/server/jetty/src/main/java/io/deephaven/server/jetty/JettyBackedGrpcServer.java b/server/jetty/src/main/java/io/deephaven/server/jetty/JettyBackedGrpcServer.java
index 5a49ce3eb6c..f41aafb01f0 100644
--- a/server/jetty/src/main/java/io/deephaven/server/jetty/JettyBackedGrpcServer.java
+++ b/server/jetty/src/main/java/io/deephaven/server/jetty/JettyBackedGrpcServer.java
@@ -183,6 +183,8 @@ public JettyBackedGrpcServer(
         context.addFilter(new FilterHolder(filter), "/*", EnumSet.noneOf(DispatcherType.class));
 
         // Wire up /js-plugins/*
+        // TODO(deephaven-core#4620): Add js-plugins version-aware caching
+        context.addFilter(NoCacheFilter.class, JS_PLUGINS_PATH_SPEC, EnumSet.noneOf(DispatcherType.class));
         context.addServlet(servletHolder("js-plugins", jsPlugins.filesystem()), JS_PLUGINS_PATH_SPEC);
 
         // Set up websockets for grpc-web - depending on configuration, we can register both in case we encounter a