diff --git a/pkgs/servers/monitoring/prometheus/knot-exporter.nix b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
index 55324b9af88d..5750b0116315 100644
--- a/pkgs/servers/monitoring/prometheus/knot-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
@@ -6,13 +6,13 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "knot-exporter";
-  version = "3.3.8";
+  version = "3.3.9";
   pyproject = true;
 
   src = fetchPypi {
     pname = "knot_exporter";
     inherit version;
-    hash = "sha256-c6J2c9UpuLOW9rUif+k76PUb7Mh2WIH5Nn3alKaVNyw=";
+    hash = "sha256-8OeMWEXnAaLYpZD/bKAm8vtf0mkGCavmJOV4ThWGDDo=";
   };
 
   nativeBuildInputs = [