diff --git a/pkgs/by-name/co/container-structure-test/package.nix b/pkgs/by-name/co/container-structure-test/package.nix
index d932b48b9464..40cec99e3a31 100644
--- a/pkgs/by-name/co/container-structure-test/package.nix
+++ b/pkgs/by-name/co/container-structure-test/package.nix
@@ -8,13 +8,13 @@
   container-structure-test,
 }:
 buildGoModule rec {
-  version = "1.20.0";
+  version = "1.21.1";
   pname = "container-structure-test";
   src = fetchFromGitHub {
     owner = "GoogleContainerTools";
     repo = "container-structure-test";
     rev = "v${version}";
-    sha256 = "sha256-7/RTWpj/W+W4mhQL2HX/6KuMbDFsjh9GGRCGZZ9sNHQ=";
+    sha256 = "sha256-B2/fe3hfP2UCxxxHAdvxdjT+npB6u4OrxO7XyBDZuqw=";
   };
   vendorHash = "sha256-pBq76HJ+nluOMOs9nqBKp1mr1LuX2NERXo48g8ezE9k=";