diff --git a/nixos/modules/services/monitoring/datadog-agent.nix b/nixos/modules/services/monitoring/datadog-agent.nix
index 58a0faed962c..1736b0c088a3 100644
--- a/nixos/modules/services/monitoring/datadog-agent.nix
+++ b/nixos/modules/services/monitoring/datadog-agent.nix
@@ -153,6 +153,18 @@ in {
       type = types.bool;
     };
 
+    processAgentPackage = mkOption {
+      default = pkgs.datadog-process-agent;
+      defaultText = literalExpression "pkgs.datadog-process-agent";
+      description = lib.mdDoc ''
+        Which DataDog v7 agent package to use. Note that the provided
+        package is expected to have an overridable `pythonPackages`-attribute
+        which configures the Python environment with the Datadog
+        checks.
+      '';
+      type = types.package;
+    };
+
     enableTraceAgent = mkOption {
       description = lib.mdDoc ''
         Whether to enable the trace agent.
@@ -270,7 +282,7 @@ in {
         path = [ ];
         script = ''
           export DD_API_KEY=$(head -n 1 ${cfg.apiKeyFile})
-          ${pkgs.datadog-process-agent}/bin/process-agent --config /etc/datadog-agent/datadog.yaml
+          ${cfg.processAgentPackage}/bin/process-agent --config /etc/datadog-agent/datadog.yaml
         '';
       });
 
diff --git a/pkgs/tools/networking/dd-agent/datadog-agent.nix b/pkgs/tools/networking/dd-agent/datadog-agent.nix
index c9a27df0bd4e..1fa275ab2b53 100644
--- a/pkgs/tools/networking/dd-agent/datadog-agent.nix
+++ b/pkgs/tools/networking/dd-agent/datadog-agent.nix
@@ -1,7 +1,7 @@
 { lib
 , stdenv
 , cmake
-, buildGoModule
+, buildGo118Module
 , makeWrapper
 , fetchFromGitHub
 , pythonPackages
@@ -14,12 +14,12 @@
 
 let
   # keep this in sync with github.com/DataDog/agent-payload dependency
-  payloadVersion = "4.78.0";
+  payloadVersion = "5.0.89";
   python = pythonPackages.python;
   owner   = "DataDog";
   repo    = "datadog-agent";
   goPackagePath = "github.com/${owner}/${repo}";
-  version = "7.38.1";
+  version = "7.45.1";
 
   src = fetchFromGitHub {
     inherit owner repo;
@@ -35,7 +35,7 @@ let
     cmakeFlags = ["-DBUILD_DEMO=OFF" "-DDISABLE_PYTHON2=ON"];
   };
 
-in buildGoModule rec {
+in buildGo118Module rec {
   pname = "datadog-agent";
   inherit src version;