diff --git a/CHANGELOG.md b/CHANGELOG.md
index de67c83..141320f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## v1.1.1
+
+- fix permission flags for `yarpm-pnpm` binary, add tests
+
 ## v1.1.0
 
 - add `yarpm-pnpm` binary to prefer `pnpm` over `npm` when run outside of a script
diff --git a/bin/yarpm-pnpm.js b/bin/yarpm-pnpm.js
old mode 100644
new mode 100755
diff --git a/package.json b/package.json
index a30b42b..bb101b8 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
   },
   "keywords": [
     "npm",
+    "pnpm",
     "yarn",
     "npm-scripts",
     "cross-platform",
diff --git a/test.sh b/test.sh
index 554e5fc..7eba080 100755
--- a/test.sh
+++ b/test.sh
@@ -9,7 +9,7 @@ pushd test-project 1>/dev/null
 
 npm init -y
 npm link yarpm
-jq '.scripts=(.scripts + { "echo": "echo $(ps -p \"$$\" -o ppid= | xargs ps -o command | tail -n -1)", "yarpm-echo": "yarpm run echo", "yarpm-yarn-echo": "yarpm-yarn run echo" })' package.json > package.$$.json && mv package.$$.json package.json
+jq '.scripts=(.scripts + { "echo": "echo $(ps -p \"$$\" -o ppid= | xargs ps -o command | tail -n -1)", "yarpm-echo": "yarpm run echo", "yarpm-pnpm-echo": "yarpm-pnpm run echo", "yarpm-yarn-echo": "yarpm-yarn run echo" })' package.json > package.$$.json && mv package.$$.json package.json
 unset npm_execpath
 
 function run_test {
@@ -22,6 +22,8 @@ function run_test {
 }
 
 run_test npm yarpm-echo '^npm foo$'
+run_test pnpm yarpm-echo '^.+/pnpm.js run echo foo foo$'
+run_test npm yarpm-pnpm-echo '^.+/pnpm run echo foo foo$'
 run_test yarn yarpm-echo '^.+/yarn.js run echo foo foo$'
 run_test npm yarpm-yarn-echo '^.+/yarn.js run echo foo foo$'