diff --git a/k8s/helmfile/env/production/ingress-nginx.values.yaml.gotmpl b/k8s/helmfile/env/production/ingress-nginx.values.yaml.gotmpl
index f1ea07751..8281f0dd6 100644
--- a/k8s/helmfile/env/production/ingress-nginx.values.yaml.gotmpl
+++ b/k8s/helmfile/env/production/ingress-nginx.values.yaml.gotmpl
@@ -8,7 +8,7 @@ controller:
       memory: 150Mi
   config:
     preserve-trailing-slash: true
-    block-user-agents: ~*Seekport\sCrawler.*,~*MJ12bot.*,~Bytespider
+    block-user-agents: ~*Seekport\sCrawler.*,~*MJ12bot.*,~Bytespider,~thesis-research-bot
     # https://stackoverflow.com/a/37877244
     log-format-upstream: >-
       $remote_addr - $remote_user [$time_local] "$request_method $scheme://$host$request_uri $server_protocol"