diff --git a/pkgs/development/tools/analysis/checkstyle/default.nix b/pkgs/development/tools/analysis/checkstyle/default.nix
index 8f55bf951276..2ecb660ff846 100644
--- a/pkgs/development/tools/analysis/checkstyle/default.nix
+++ b/pkgs/development/tools/analysis/checkstyle/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, makeWrapper, jre }:
 
 stdenv.mkDerivation rec {
-  version = "8.25";
+  version = "8.26";
   pname = "checkstyle";
 
   src = fetchurl {
     url = "https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${version}/checkstyle-${version}-all.jar";
-    sha256 = "04asn3cqh0f78c4b0968ic2fxgijf47paw3zgh9dh96x1165yhkf";
+    sha256 = "0q0jb0ip78vai2qcig51lgp9pbb4bsg9wlwjxq0gm61icbxw6vy3";
   };
 
   nativeBuildInputs = [ makeWrapper ];