diff --git a/pkgs/development/tools/java/sawjap/default.nix b/pkgs/development/tools/java/sawjap/default.nix
new file mode 100644
index 000000000000..13532c48d401
--- /dev/null
+++ b/pkgs/development/tools/java/sawjap/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, ocamlPackages }:
+
+let inherit (ocamlPackages) ocaml findlib sawja; in
+
+stdenv.mkDerivation {
+
+  pname = "sawjap";
+
+  inherit (sawja) src version;
+
+  sourceRoot = "source/test";
+
+  buildInputs = [ ocaml findlib sawja ];
+
+  buildPhase = ''
+    runHook preBuild
+    mkdir -p $out/bin
+    ocamlfind opt -o $out/bin/sawjap -package sawja -linkpkg sawjap.ml
+    runHook postBuild
+  '';
+
+  dontInstall = true;
+
+  meta = sawja.meta // {
+    description = "Pretty-print .class files";
+  };
+
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fcaf1a1e91c6..9abb4c416d58 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14941,6 +14941,8 @@ with pkgs;
 
   sauce-connect = callPackage ../development/tools/sauce-connect { };
 
+  sawjap = callPackage ../development/tools/java/sawjap { };
+
   sd-local = callPackage ../development/tools/sd-local { };
 
   selenium-server-standalone = callPackage ../development/tools/selenium/server { };