diff --git a/src/actions/install-update.js b/src/actions/install-update.js
index 5eeae25..6e632d5 100644
--- a/src/actions/install-update.js
+++ b/src/actions/install-update.js
@@ -1,9 +1,10 @@
-let { dirname, join, sep } = require('path')
+let { dirname, join, sep, basename } = require('path')
 let { existsSync } = require('fs')
 let child = require('child_process')
 let series = require('run-series')
 let rm = require('rimraf')
 let print = require('../_printer')
+let { denoCacheable } = require('../lib')
 
 module.exports = function hydrator (params, callback) {
   let { file, action, update, env, shell, timeout, installing, verbose } = params
@@ -34,6 +35,7 @@ module.exports = function hydrator (params, callback) {
   let isJs = file.endsWith('package.json')
   let isPy = file.endsWith('requirements.txt')
   let isRb = file.endsWith('Gemfile')
+  let isDeno = denoCacheable.some(val => basename(file) === val)
 
   series([
     function clear (callback) {
@@ -43,6 +45,7 @@ module.exports = function hydrator (params, callback) {
         if (isJs) dir = join(cwd, 'node_modules')
         if (isPy) dir = join(cwd, 'vendor')
         if (isRb) dir = join(cwd, 'vendor', 'bundle')
+        // if (isDeno) dir = join(cwd, 'vendor', '.deno_cache')
         rm(dir, callback)
       }
       else callback()
@@ -103,6 +106,11 @@ module.exports = function hydrator (params, callback) {
         exec(`bundle update`, options, callback)
       }
 
+      // cache deno deps
+      else if (isDeno) {
+        exec(`DENO_DIR=./vendor/.deno_cache deno cache --unstable --reload ./${basename(file)}`, options, callback)
+      }
+
       else {
         callback()
       }
diff --git a/src/index.js b/src/index.js
index a345bce..e4a944b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,10 +1,10 @@
 let { sync: glob } = require('glob')
 let series = require('run-series')
-let { dirname, join } = require('path')
+let { dirname, join, basename, resolve } = require('path')
 let stripAnsi = require('strip-ansi')
 let { pathToUnix, updater } = require('@architect/utils')
 let inventory = require('@architect/inventory')
-let { isDep, ignoreDeps, stripCwd } = require('./lib')
+let { isDep, ignoreDeps, stripCwd, denoCacheable } = require('./lib')
 let shared = require('./shared')
 let actions = require('./actions')
 let cleanup = require('./_cleanup')
@@ -68,7 +68,7 @@ function hydrator (inventory, installing, params, callback) {
    * Find our dependency manifests
    */
   // eslint-disable-next-line
-  let pattern = p => `${p}/**/@(package\.json|requirements\.txt|Gemfile)`
+  let pattern = p => `${p}/**/@(package\.json|requirements\.txt|Gemfile|${denoCacheable.join('|')})`
   let dir = basepath || '.'
   // Get everything except shared
   let files = glob(pattern(dir)).filter(file => {
@@ -76,8 +76,17 @@ function hydrator (inventory, installing, params, callback) {
     if (isDep(file)) return false
     if (sharedDir && file.includes(sharedDir)) return false
     if (viewsDir && file.includes(viewsDir)) return false
+    if (denoCacheable.some(val => val === basename(file))) {
+      // basepath isn't always set (maybe just within the multi-auto install integration tests?)
+      let _basepath = basepath || resolve(file).replace(basename(file), '')
+      if (inv.lambdasBySrcDir[_basepath] === undefined) return false
+      if (inv.lambdasBySrcDir[_basepath].config.runtime !== 'deno') return false
+    }
     return true
   })
+
+
+
   // Get shared + views (or skip if hydrating a single isolated function, e.g. sandbox startup)
   if (hydrateShared) {
     let sharedManifest = (sharedDir && glob(pattern(sharedDir)).filter(ignoreDeps)) || []
diff --git a/src/lib/index.js b/src/lib/index.js
index 617f5f0..76a43f7 100644
--- a/src/lib/index.js
+++ b/src/lib/index.js
@@ -1,12 +1,30 @@
 let { pathToUnix } = require('@architect/utils')
-let isDep = file => file.includes('node_modules') || file.includes('vendor/bundle')
+let isDep = file => file.includes('node_modules') || file.includes('vendor/bundle') || file.includes('.deno_cache')
 let ignoreDeps = file => !isDep(pathToUnix(file))
 
 // Relativize by stripping leading relative path + `.`, `/`, `./`, `\`, `.\`
 let stripCwd = (f, cwd) => f.replace(cwd, '').replace(/^\.?\/?\\?/, '')
 
+let denoCacheable = [
+  'index.js',
+  'mod.js',
+  'index.ts',
+  'mod.ts',
+  'index.tsx',
+  'mod.tsx',
+  'deps.ts'
+]
+
+let denoIgnore = [
+  'package.json',
+  'requirements.tex',
+  'Gemfile'
+]
+
 module.exports = {
   isDep,
   ignoreDeps,
   stripCwd,
+  denoCacheable,
+  denoIgnore
 }