diff --git a/pkgs/servers/monitoring/grafana-agent/default.nix b/pkgs/servers/monitoring/grafana-agent/default.nix
index 622147f92f97..0597eaa75351 100644
--- a/pkgs/servers/monitoring/grafana-agent/default.nix
+++ b/pkgs/servers/monitoring/grafana-agent/default.nix
@@ -15,16 +15,16 @@
 
 buildGoModule rec {
   pname = "grafana-agent";
-  version = "0.40.2";
+  version = "0.40.3";
 
   src = fetchFromGitHub {
     owner = "grafana";
     repo = "agent";
     rev = "v${version}";
-    hash = "sha256-muSgFBg+/XWx2f9EGYYLQ0wUzZ7AxEC2F19A5Qs5cgw=";
+    hash = "sha256-oezfeUW+CVwqe8T3pEkLU1vxI1dntMQ6cvE9AqxKtR8=";
   };
 
-  vendorHash = "sha256-ekFl+aSmyUvgv4pkpS86HwPMfqtDaJEaZhWiwHjHp9g=";
+  vendorHash = "sha256-64etBHKlEPByDzrEP3YYhgR4vnj4yvHk6cjB92myqyc=";
   proxyVendor = true; # darwin/linux hash mismatch
 
   frontendYarnOfflineCache = fetchYarnDeps {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b8de3b01656c..35cc8e0ba5f5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26101,7 +26101,9 @@ with pkgs;
   grafana = callPackage ../servers/monitoring/grafana { };
   grafanaPlugins = callPackages ../servers/monitoring/grafana/plugins { };
 
-  grafana-agent = callPackage ../servers/monitoring/grafana-agent { };
+  grafana-agent = callPackage ../servers/monitoring/grafana-agent {
+    buildGoModule = buildGo122Module;
+  };
 
   grafana-loki = callPackage ../servers/monitoring/loki { };
   promtail = callPackage ../servers/monitoring/loki/promtail.nix { };