diff --git a/README.md b/README.md
index 9ad2d40..cea8a7b 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,16 @@ If you want to force [bun](https://bun.sh/), add:
 }
 ```
 
+If you want to force [deno](https://deno.land/), add:
+
+```json
+{
+  "scripts": {
+    "preinstall": "npx only-allow deno"
+  }
+}
+```
+
 ## License
 
 [MIT](LICENSE)
diff --git a/__fixtures__/deno/package.json b/__fixtures__/deno/package.json
new file mode 100644
index 0000000..74ff7ec
--- /dev/null
+++ b/__fixtures__/deno/package.json
@@ -0,0 +1,5 @@
+{
+  "scripts": {
+    "preinstall": "node ../../bin.js deno"
+  }
+}
\ No newline at end of file
diff --git a/bin.js b/bin.js
index 6273b26..49c51a0 100644
--- a/bin.js
+++ b/bin.js
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 const whichPMRuns = require('which-pm-runs')
-const availablePMList = ['npm', 'cnpm', 'pnpm', 'yarn', 'bun']
+const availablePMList = ['npm', 'cnpm', 'pnpm', 'yarn', 'bun', 'deno']
 
 function box(s) {
   const lines = s.trim().split("\n")
@@ -53,6 +53,12 @@ For more details, go to https://yarnpkg.com/`))
 
 If you don't have Bun, go to https://bun.sh/docs/installation and find installation method that suits your environment.`))
       break
+
+    case 'deno':
+      console.log(box(`Use "deno install" for installation in this project.
+
+If you don't have Deno, go to https://deno.land/#installation and follow the installation instructions.`))
+      break
   }
   process.exit(1)
 }
diff --git a/package.json b/package.json
index 50e0ae8..e510cf2 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
     "cnpm",
     "npm",
     "yarn",
-    "bun"
+    "bun",
+    "deno"
   ],
   "author": "Zoltan Kochan <z@kochan.io>",
   "license": "MIT",