diff --git a/bucket/promtail.json b/bucket/promtail.json
index 804fb4aeb7..c141723a4d 100644
--- a/bucket/promtail.json
+++ b/bucket/promtail.json
@@ -1,12 +1,12 @@
 {
-    "version": "1.3.0",
+    "version": "1.4.0",
     "description": "Multi-tenant log aggregation system",
     "homepage": "https://grafana.com/oss/loki/",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/grafana/loki/releases/download/v1.3.0/promtail-windows-amd64.exe.zip",
-            "hash": "988e1c314101a5afbd4dd322e396dff3fc7e2feece1cb5c299c70321f1135ce5",
+            "url": "https://github.com/grafana/loki/releases/download/v1.4.0/promtail-windows-amd64.exe.zip",
+            "hash": "bca04c921ed763d2d7ad11fab77f14136eca2786d59b524710db211d28e73136",
             "bin": [
                 [
                     "promtail-windows-amd64.exe",