diff --git a/bucket/prometheus.json b/bucket/prometheus.json
index 7b7cb71e46..d209f87ab2 100644
--- a/bucket/prometheus.json
+++ b/bucket/prometheus.json
@@ -1,18 +1,18 @@
 {
-    "version": "3.9.0",
+    "version": "3.9.1",
     "description": "Systems monitoring and alerting toolkit",
     "homepage": "https://prometheus.io",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/prometheus/prometheus/releases/download/v3.9.0/prometheus-3.9.0.windows-amd64.tar.gz",
-            "hash": "a8f5efc754ed208150ad7796265033c1cfa54072ea979b669e0d119ab314db94",
-            "extract_dir": "prometheus-3.9.0.windows-amd64"
+            "url": "https://github.com/prometheus/prometheus/releases/download/v3.9.1/prometheus-3.9.1.windows-amd64.tar.gz",
+            "hash": "4b95babeb27bfc27807779c47f33776179df09154cfb442568df7abd506202d2",
+            "extract_dir": "prometheus-3.9.1.windows-amd64"
         },
         "32bit": {
-            "url": "https://github.com/prometheus/prometheus/releases/download/v3.9.0/prometheus-3.9.0.windows-386.tar.gz",
-            "hash": "1c7fa4b4a3c58f68ff24fe6fb9e3490402b80fc36dc34358c32cdf05e1668ff9",
-            "extract_dir": "prometheus-3.9.0.windows-386"
+            "url": "https://github.com/prometheus/prometheus/releases/download/v3.9.1/prometheus-3.9.1.windows-386.tar.gz",
+            "hash": "60fa82f2730f3a92fa0ab44138654c6018312c9475318c8d5ce19191b07fbf75",
+            "extract_dir": "prometheus-3.9.1.windows-386"
         }
     },
     "bin": [