diff --git a/bucket/prometheus.json b/bucket/prometheus.json
index 33809f8478..369d62f124 100644
--- a/bucket/prometheus.json
+++ b/bucket/prometheus.json
@@ -1,18 +1,18 @@
 {
-    "version": "3.4.1",
+    "version": "3.4.2",
     "description": "Systems monitoring and alerting toolkit",
     "homepage": "https://prometheus.io",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/prometheus/prometheus/releases/download/v3.4.1/prometheus-3.4.1.windows-amd64.tar.gz",
-            "hash": "013fe79e5c4923704849b2de2d47efd9e75bdbfaad16363a1c1c9f9fb98b209e",
-            "extract_dir": "prometheus-3.4.1.windows-amd64"
+            "url": "https://github.com/prometheus/prometheus/releases/download/v3.4.2/prometheus-3.4.2.windows-amd64.tar.gz",
+            "hash": "cb13dcc3b05211a3e778772f2e10b87711a7930aa631d4843ad81e0ff7c75935",
+            "extract_dir": "prometheus-3.4.2.windows-amd64"
         },
         "32bit": {
-            "url": "https://github.com/prometheus/prometheus/releases/download/v3.4.1/prometheus-3.4.1.windows-386.tar.gz",
-            "hash": "511354617433be74148f19dbb075241d34c2b8bd525adacc1835ac58cb1f3358",
-            "extract_dir": "prometheus-3.4.1.windows-386"
+            "url": "https://github.com/prometheus/prometheus/releases/download/v3.4.2/prometheus-3.4.2.windows-386.tar.gz",
+            "hash": "edd2fd27a40608a9f091d8df51da8cbcbe377225676bf253ea99b81a33981eab",
+            "extract_dir": "prometheus-3.4.2.windows-386"
         }
     },
     "bin": [