diff --git a/modules/rosenthal/packages/binaries.scm b/modules/rosenthal/packages/binaries.scm
index d0549ee..65cd70e 100644
--- a/modules/rosenthal/packages/binaries.scm
+++ b/modules/rosenthal/packages/binaries.scm
@@ -360,7 +360,7 @@ metrics no matter where they are stored.")
 (define-public prometheus-bin
   (package
     (name "prometheus-bin")
-    (version "3.8.0")
+    (version "3.9.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/prometheus/prometheus"
@@ -368,7 +368,7 @@ metrics no matter where they are stored.")
                                   "/prometheus-" version ".linux-amd64.tar.gz"))
               (sha256
                (base32
-                "0nxj618za3q39m0xvakwvpym28hlca3v5cpvmqbaxd6f641isibg"))))
+                "116569xwfma38j7wbdz7r3hlnk9iz9ycg4yymjadkjxassfrk9l6"))))
     (build-system copy-build-system)
     (arguments
      (list #:install-plan