diff --git a/pkgs/development/compilers/aspectj/default.nix b/pkgs/development/compilers/aspectj/default.nix
index 507c0c9e1454..ee5528953c41 100644
--- a/pkgs/development/compilers/aspectj/default.nix
+++ b/pkgs/development/compilers/aspectj/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "aspectj";
-  version = "1.9.20.1";
+  version = "1.9.21";
   builder = ./builder.sh;
 
   src = let
     versionSnakeCase = builtins.replaceStrings ["."] ["_"] version;
   in fetchurl {
     url = "https://github.com/eclipse/org.aspectj/releases/download/V${versionSnakeCase}/aspectj-${version}.jar";
-    sha256 = "sha256-nzeDi1WdnIZ5DFxpZFSB/4c6FgV7wRQyO1uxRlaTZBY=";
+    sha256 = "sha256-/cdfEpUrK39ssVualCKWdGhpymIhq7y2oRxYJAENhU0=";
   };
 
   inherit jre;