diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 3d2342d99fdb..219d6b6b9909 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1099,6 +1099,23 @@ let
         };
       };
 
+      csharpier.csharpier-vscode = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "csharpier-vscode";
+          publisher = "csharpier";
+          version = "1.7.3";
+          hash = "sha256-/ZLjnlLl6xmgEazdCbnuE6UuuV1tDwAjpxz+vmBuYHE=";
+        };
+        meta = {
+          changelog = "https://marketplace.visualstudio.com/items/csharpier.csharpier-vscode/changelog";
+          description = "CSharpier code formatter for Visual Studio Code";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=csharpier.csharpier-vscode";
+          homepage = "https://github.com/belav/csharpier";
+          license = lib.licenses.mit;
+          maintainers = [ lib.maintainers.magnouvean ];
+        };
+      };
+
       cweijan.dbclient-jdbc = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "dbclient-jdbc";