diff --git a/pkgs/servers/home-automation/evcc/default.nix b/pkgs/servers/home-automation/evcc/default.nix
index 4e35e0a76a1c..aeb6482f7105 100644
--- a/pkgs/servers/home-automation/evcc/default.nix
+++ b/pkgs/servers/home-automation/evcc/default.nix
@@ -1,5 +1,5 @@
 { lib
-, buildGoModule
+, buildGo121Module
 , fetchFromGitHub
 , fetchNpmDeps
 , cacert
@@ -14,22 +14,22 @@
 , stdenv
 }:
 
-buildGoModule rec {
+buildGo121Module rec {
   pname = "evcc";
-  version = "0.118.11";
+  version = "0.120.1";
 
   src = fetchFromGitHub {
     owner = "evcc-io";
     repo = pname;
     rev = version;
-    hash = "sha256-gwFArZJX3DBUNaSpWD5n76VImWeDImR8b1s2czBrBaA=";
+    hash = "sha256-mifpswB8hA7Ke2r2afYRlGDdhbz7AYxMZBNaRQvUodQ=";
   };
 
-  vendorHash = "sha256-0NTOit1nhX/zxQjHwU7ZOY1GsoIu959/KICCEWyfIQ4=";
+  vendorHash = "sha256-LNMNqlb/aj+ZHuwMvtK//oWyi34mm47ShAAD427szS4=";
 
   npmDeps = fetchNpmDeps {
     inherit src;
-    hash = "sha256-/zpyU7x3cdmKrS7YiMe2BVJm0AC0P+yspiG9C3dMVAk=";
+    hash = "sha256-quznAvgAFJJnKabsFZxAu7yDkAuvujg6of6En8JaFs4=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7ae170ccb912..55eca3490d96 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7985,7 +7985,9 @@ with pkgs;
 
   ettercap = callPackage ../applications/networking/sniffers/ettercap { };
 
-  evcc = callPackage ../servers/home-automation/evcc { };
+  evcc = callPackage ../servers/home-automation/evcc {
+    go = go_1_21;
+  };
 
   eventstat = callPackage ../os-specific/linux/eventstat { };