diff --git a/pkgs/servers/monitoring/prometheus/tor-exporter.nix b/pkgs/servers/monitoring/prometheus/tor-exporter.nix
index 88f469ebe179..ef971ce04746 100644
--- a/pkgs/servers/monitoring/prometheus/tor-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/tor-exporter.nix
@@ -2,7 +2,7 @@
 
 python3Packages.buildPythonApplication rec {
   name = "tor-exporter-${version}";
-  version = "0.3";
+  version = "0.4";
 
   # Just a single .py file to use as the application's main entry point.
   format = "other";
@@ -11,7 +11,7 @@ python3Packages.buildPythonApplication rec {
     rev = "v${version}";
     owner = "atx";
     repo = "prometheus-tor_exporter";
-    sha256 = "0d7pk8s8ya2pm8b4ijbfdniqcbd3vqy15dlhnmaf4wgb51pmm5yv";
+    sha256 = "1gzf42z0cgdqijbi9cwpjkqzkvnabaxkkfa5ac5h27r3pxx3q4n0";
   };
 
   propagatedBuildInputs = with python3Packages; [ prometheus_client stem retrying ];