diff --git a/pkgs/servers/monitoring/grafana-image-renderer/default.nix b/pkgs/servers/monitoring/grafana-image-renderer/default.nix
index a714031e43b1..0c949ed7ce9f 100644
--- a/pkgs/servers/monitoring/grafana-image-renderer/default.nix
+++ b/pkgs/servers/monitoring/grafana-image-renderer/default.nix
@@ -7,18 +7,18 @@
 
 mkYarnPackage rec {
   pname = "grafana-image-renderer";
-  version = "3.11.4";
+  version = "3.11.5";
 
   src = fetchFromGitHub {
     owner = "grafana";
     repo = "grafana-image-renderer";
     rev = "v${version}";
-    hash = "sha256-ob+YSHuu8vnj3TeAeXa9vTaRJouWpgsdq0gvdKV3BnA=";
+    hash = "sha256-ARrK6eL5G/IdJ4AgcpgyfCNA0cDBdj4bM1elFuXDCmM=";
   };
 
   offlineCache = fetchYarnDeps {
     yarnLock = src + "/yarn.lock";
-    hash = "sha256-ZrP3cLGyA8I1EhYrQPkqUwUk52FvVxR8Wg4OGllNRmg=";
+    hash = "sha256-+WxZ5gJgRBhKy9igkw8r/J7r1R/L/EYL3AGjCuwmMb0=";
   };
 
   packageJSON = ./package.json;
diff --git a/pkgs/servers/monitoring/grafana-image-renderer/package.json b/pkgs/servers/monitoring/grafana-image-renderer/package.json
index 686783d1820c..48e49521f942 100644
--- a/pkgs/servers/monitoring/grafana-image-renderer/package.json
+++ b/pkgs/servers/monitoring/grafana-image-renderer/package.json
@@ -31,7 +31,7 @@
     "@puppeteer/browsers": "^2.3.1",
     "chokidar": "^3.5.2",
     "dompurify": "^2.4.0",
-    "express": "^4.19.2",
+    "express": "^4.21.0",
     "express-prom-bundle": "^6.5.0",
     "jimp": "^0.22.12",
     "jsdom": "20.0.0",