diff --git a/pkgs/by-name/go/google-cloud-sql-proxy/package.nix b/pkgs/by-name/go/google-cloud-sql-proxy/package.nix
index ca0022034433..4e65566a0a90 100644
--- a/pkgs/by-name/go/google-cloud-sql-proxy/package.nix
+++ b/pkgs/by-name/go/google-cloud-sql-proxy/package.nix
@@ -7,18 +7,18 @@
 
 buildGoModule (finalAttrs: {
   pname = "google-cloud-sql-proxy";
-  version = "2.21.0";
+  version = "2.21.1";
 
   src = fetchFromGitHub {
     owner = "GoogleCloudPlatform";
     repo = "cloud-sql-proxy";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-w2SDoIxuPNd4CasLlTK+ypkf7/T+kWSSjheU+KnloDw=";
+    hash = "sha256-3C7IfpVcv1BpzKnMV6dQJ0e7hY50owR3YijlI2+cAJQ=";
   };
 
   subPackages = [ "." ];
 
-  vendorHash = "sha256-XxujTfBa6Y1KS4VCpd8xZ0ijfc6LjB1G1kUS+XSAlZc=";
+  vendorHash = "sha256-tbglk7rscPx1RrURSzVW5FgZE6b6mp4tvOXVQKMUrjQ=";
 
   checkFlags = [
     "-short"