diff --git a/pkgs/development/compilers/elm/packages/elm-test/default.nix b/pkgs/development/compilers/elm/packages/elm-test/default.nix
index 47beae2c4918..6b4e66a11f99 100644
--- a/pkgs/development/compilers/elm/packages/elm-test/default.nix
+++ b/pkgs/development/compilers/elm/packages/elm-test/default.nix
@@ -6,16 +6,16 @@
 
 buildNpmPackage rec {
   pname = "elm-test";
-  version = "0.19.1-revision12";
+  version = "0.19.1-revision13";
 
   src = fetchFromGitHub {
     owner = "rtfeldman";
     repo = "node-test-runner";
     rev = version;
-    hash = "sha256-cnxAOFcPTJjtHi4VYCO9oltb5iOeDnLvRgnuJnNzjsY=";
+    hash = "sha256-yA8RLJBytosvcLfuE29EtkCmY8FYJ9cUoHPxF+NVaQo=";
   };
 
-  npmDepsHash = "sha256-QljHVrmF6uBem9sW67CYduCro3BqF34EPGn1BtKqom0=";
+  npmDepsHash = "sha256-6nUXyM7b9cV7IYWL+S3Cti1uUlh69/oSMjPHr4r+7y0=";
 
   postPatch = ''
     sed -i '/elm-tooling install/d' package.json
@@ -23,6 +23,13 @@ buildNpmPackage rec {
 
   dontNpmBuild = true;
 
+  postInstall = ''
+    # clean up broken symlinks to build tool binaries
+    find $out/lib/node_modules/elm-test/node_modules/.bin \
+      -xtype l \
+      -delete
+  '';
+
   meta = {
     changelog = "https://github.com/rtfeldman/node-test-runner/blob/${src.rev}/CHANGELOG.md";
     description = "Runs elm-test suites from Node.js";