diff --git a/.editorconfig b/.editorconfig
index 8439b05fe..05e406bc4 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,11 +7,9 @@ end_of_line = lf
 insert_final_newline = true
 charset = utf-8
 trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
 
 [*.go]
 indent_style = tab
 indent_size = 4
-
-[contrib/post-install]
-indent_size = 2
-indent_style = space
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e887d30e5..cc03b2a45 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Clone
         uses: actions/checkout@v5
       - name: Run hadolint
-        uses: hadolint/hadolint-action@3fc49fb50d59c6ab7917a2e4195dba633e515b29
+        uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5
         with:
           config: .github/linters/.hadolint.yml
 
diff --git a/.gitignore b/.gitignore
index eff4fa885..15aef64c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ build
 include/cedarish.txt
 include/buildpacks.txt
 bindata.go
+.idea/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 099ae3320..826a1ec3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,46 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.11.5](https://github.com/gliderlabs/herokuish/compare/v0.11.4...v0.11.5) - 2025-10-12
+
+- #1608 @dokku-bot: Update nodejs to version v310
+- #1609 @dependabot: chore(deps): bump puma from 7.0.2 to 7.0.3 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1610 @dokku-bot: Update gradle to version v46
+- #1611 @dokku-bot: Update gradle to version v47
+- #1612 @dokku-bot: Update go to version v213
+- #1613 @dokku-bot: Update ruby to version v321
+- #1614 @dokku-bot: Update gradle to version v48
+- #1615 @dokku-bot: Update python to version v308
+- #1616 @dokku-bot: Update python to version v309
+- #1617 @dokku-bot: Update php to version v274
+- #1618 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 273 to 274 in /buildpacks/buildpack-php/tests/php
+- #1619 @dependabot: chore(deps): bump hadolint/hadolint-action from 3.2.0 to 3.3.0
+- #1620 @dokku-bot: Update python to version v310
+- #1621 @dependabot: chore(deps): bump puma from 7.0.3 to 7.0.4 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1622 @Tashows Expose buildpack detection as a command
+- #1624 @dokku-bot: Update nodejs to version v313
+- #1625 @dependabot: chore(deps): bump markupsafe from 3.0.2 to 3.0.3 in /buildpacks/buildpack-python/tests/python-flask
+- #1626 @dependabot: chore(deps): bump markupsafe from 3.0.2 to 3.0.3 in /buildpacks/buildpack-multi/tests/multi
+- #1627 @dokku-bot: Update ruby to version v322
+- #1628 @dokku-bot: Update scala to version v100
+- #1629 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 274 to 275 in /buildpacks/buildpack-php/tests/php
+- #1630 @dokku-bot: Update python to version v311
+- #1631 @dokku-bot: Update php to version v275
+- #1632 @josegonzalez fix: use updated method of setting environment variables in Dockerfile
+- #1633 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 275 to 276 in /buildpacks/buildpack-php/tests/php
+- #1634 @dokku-bot: Update python to version v312
+- #1635 @dokku-bot: Update php to version v276
+- #1636 @dependabot: chore(deps): bump rack from 3.2.1 to 3.2.2 in /buildpacks/buildpack-multi/tests/multi
+- #1637 @dependabot: chore(deps): bump rack from 3.2.1 to 3.2.2 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1638 @dependabot: chore(deps): bump sinatra from 4.1.1 to 4.2.0 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1639 @dependabot: chore(deps): bump sinatra from 4.1.1 to 4.2.0 in /buildpacks/buildpack-multi/tests/multi
+- #1640 @dokku-bot: Update go to version v214
+- #1642 @dependabot: chore(deps): bump rack from 3.2.2 to 3.2.3 in /buildpacks/buildpack-multi/tests/multi
+- #1643 @dependabot: chore(deps): bump rack from 3.2.2 to 3.2.3 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1644 @dokku-bot: Update ruby to version v324
+- #1645 @dokku-bot: Update python to version v313
+- #1646 @dokku-bot: Update nodejs to version v314
+
 ## [0.11.4](https://github.com/gliderlabs/herokuish/compare/v0.11.3...v0.11.4) - 2025-09-12
 
 - #1600 @dokku-bot: Update python to version v307
diff --git a/Dockerfile b/Dockerfile
index 189cb4420..83e6719fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ ARG STACK_VERSION=24
 ARG TARGETARCH
 
 ENV STACK=heroku-$STACK_VERSION
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 LABEL com.gliderlabs.herokuish/stack=$STACK
 
 USER root
@@ -39,4 +39,4 @@ RUN apt-install daemontools && \
     */tmp
 COPY include/default_user.bash /tmp/default_user.bash
 RUN bash /tmp/default_user.bash && rm -f /tmp/default_user.bash
-ENV BASH_BIN /usr/bin/bash
+ENV BASH_BIN=/usr/bin/bash
diff --git a/Makefile b/Makefile
index 4301e390c..613b4d998 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ REPOSITORY = herokuish
 DESCRIPTION = 'Herokuish uses Docker and Buildpacks to build applications like Heroku'
 HARDWARE = $(shell uname -m)
 SYSTEM_NAME  = $(shell uname -s | tr '[:upper:]' '[:lower:]')
-VERSION ?= 0.11.4
+VERSION ?= 0.11.5
 IMAGE_NAME ?= $(NAME)
 BUILD_TAG ?= dev
 PACKAGECLOUD_REPOSITORY ?= dokku/dokku-betafish
diff --git a/README.md b/README.md
index ae057619f..ea2078825 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://github.com/gliderlabs/herokuish/workflows/CI/badge.svg)](https://github.com/gliderlabs/herokuish/actions?query=workflow%3ACI)
 [![IRC Channel](https://img.shields.io/badge/irc-%23gliderlabs-blue.svg)](https://kiwiirc.com/client/irc.freenode.net/#gliderlabs)
-[![Docker Hub](https://img.shields.io/badge/docker%20hub-v0.11.4-blue)](https://hub.docker.com/r/gliderlabs/herokuish)
+[![Docker Hub](https://img.shields.io/badge/docker%20hub-v0.11.5-blue)](https://hub.docker.com/r/gliderlabs/herokuish)
 
 A command line tool for emulating Heroku build and runtime tasks in containers.
 
@@ -19,7 +19,7 @@ Download and uncompress the latest binary tarball from [releases](https://github
 For example, you can do this directly in your Dockerfiles installing into `/bin` as one step:
 
 ```shell
-RUN curl --location --silent https://github.com/gliderlabs/herokuish/releases/download/v0.11.4/herokuish_0.11.4_linux_x86_64.tgz \
+RUN curl --location --silent https://github.com/gliderlabs/herokuish/releases/download/v0.11.5/herokuish_0.11.5_linux_x86_64.tgz \
     | tar -xzC /bin
 ```
 
@@ -35,6 +35,7 @@ $ herokuish
 Available commands:
   buildpack                Use and install buildpacks
     build                    Build an application using installed buildpacks
+    detect                   Detect buildpack to use for an application
     install                  Install buildpack from Git URL and optional committish
     list                     List installed buildpacks
     test                     Build and run tests for an application using installed buildpacks
diff --git a/buildpacks/buildpack-go/buildpack-version b/buildpacks/buildpack-go/buildpack-version
index 03493f92b..8e1a11531 100644
--- a/buildpacks/buildpack-go/buildpack-version
+++ b/buildpacks/buildpack-go/buildpack-version
@@ -1 +1 @@
-v212
+v214
diff --git a/buildpacks/buildpack-gradle/buildpack-version b/buildpacks/buildpack-gradle/buildpack-version
index 7f2ae6d85..d6a12ab0f 100644
--- a/buildpacks/buildpack-gradle/buildpack-version
+++ b/buildpacks/buildpack-gradle/buildpack-version
@@ -1 +1 @@
-v45
+v48
diff --git a/buildpacks/buildpack-multi/tests/multi/Gemfile.lock b/buildpacks/buildpack-multi/tests/multi/Gemfile.lock
index bfc4c59c1..c5f87ac63 100644
--- a/buildpacks/buildpack-multi/tests/multi/Gemfile.lock
+++ b/buildpacks/buildpack-multi/tests/multi/Gemfile.lock
@@ -1,12 +1,12 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    base64 (0.2.0)
-    logger (1.6.1)
-    mustermann (3.0.3)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (3.2.1)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -14,14 +14,14 @@ GEM
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
-    sinatra (4.1.1)
+    sinatra (4.2.1)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.1)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.4.0)
+    tilt (2.6.1)
 
 PLATFORMS
   ruby
diff --git a/buildpacks/buildpack-multi/tests/multi/requirements.txt b/buildpacks/buildpack-multi/tests/multi/requirements.txt
index 7466020ae..ea71acc19 100644
--- a/buildpacks/buildpack-multi/tests/multi/requirements.txt
+++ b/buildpacks/buildpack-multi/tests/multi/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.1.2
 Jinja2==3.1.6
 gunicorn==23.0.0
-markupsafe==3.0.2
+markupsafe==3.0.3
diff --git a/buildpacks/buildpack-nodejs/buildpack-version b/buildpacks/buildpack-nodejs/buildpack-version
index bfeff6f42..d045e5e98 100644
--- a/buildpacks/buildpack-nodejs/buildpack-version
+++ b/buildpacks/buildpack-nodejs/buildpack-version
@@ -1 +1 @@
-v309
+v314
diff --git a/buildpacks/buildpack-php/buildpack-version b/buildpacks/buildpack-php/buildpack-version
index d01bc5f51..8974eb956 100644
--- a/buildpacks/buildpack-php/buildpack-version
+++ b/buildpacks/buildpack-php/buildpack-version
@@ -1 +1 @@
-v273
+v276
diff --git a/buildpacks/buildpack-php/tests/php/composer.lock b/buildpacks/buildpack-php/tests/php/composer.lock
index 3329ef668..138db4aca 100644
--- a/buildpacks/buildpack-php/tests/php/composer.lock
+++ b/buildpacks/buildpack-php/tests/php/composer.lock
@@ -2082,16 +2082,16 @@
     "packages-dev": [
         {
             "name": "heroku/heroku-buildpack-php",
-            "version": "v273",
+            "version": "v276",
             "source": {
                 "type": "git",
                 "url": "https://github.com/heroku/heroku-buildpack-php.git",
-                "reference": "14c4249916732841977f4cf7bf1df3c806be040d"
+                "reference": "4f50c0fc9b8c2e28595df22e3511a5337f751098"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/heroku/heroku-buildpack-php/zipball/14c4249916732841977f4cf7bf1df3c806be040d",
-                "reference": "14c4249916732841977f4cf7bf1df3c806be040d",
+                "url": "https://api.github.com/repos/heroku/heroku-buildpack-php/zipball/4f50c0fc9b8c2e28595df22e3511a5337f751098",
+                "reference": "4f50c0fc9b8c2e28595df22e3511a5337f751098",
                 "shasum": ""
             },
             "bin": [
@@ -2121,9 +2121,9 @@
             ],
             "support": {
                 "issues": "https://github.com/heroku/heroku-buildpack-php/issues",
-                "source": "https://github.com/heroku/heroku-buildpack-php/tree/v273"
+                "source": "https://github.com/heroku/heroku-buildpack-php/tree/v276"
             },
-            "time": "2025-09-04T13:06:10+00:00"
+            "time": "2025-10-05T22:48:36+00:00"
         }
     ],
     "aliases": [],
diff --git a/buildpacks/buildpack-python/buildpack-version b/buildpacks/buildpack-python/buildpack-version
index 240a71b39..62abc8f03 100644
--- a/buildpacks/buildpack-python/buildpack-version
+++ b/buildpacks/buildpack-python/buildpack-version
@@ -1 +1 @@
-v307
+v313
diff --git a/buildpacks/buildpack-python/tests/python-flask/requirements.txt b/buildpacks/buildpack-python/tests/python-flask/requirements.txt
index 7466020ae..ea71acc19 100644
--- a/buildpacks/buildpack-python/tests/python-flask/requirements.txt
+++ b/buildpacks/buildpack-python/tests/python-flask/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.1.2
 Jinja2==3.1.6
 gunicorn==23.0.0
-markupsafe==3.0.2
+markupsafe==3.0.3
diff --git a/buildpacks/buildpack-ruby/buildpack-version b/buildpacks/buildpack-ruby/buildpack-version
index 440779c66..bdc4b4bed 100644
--- a/buildpacks/buildpack-ruby/buildpack-version
+++ b/buildpacks/buildpack-ruby/buildpack-version
@@ -1 +1 @@
-v320
+v324
diff --git a/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock b/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock
index fec503bbc..d1f4e36a8 100644
--- a/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock
+++ b/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock
@@ -1,16 +1,16 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    base64 (0.2.0)
-    logger (1.6.1)
-    mustermann (3.0.3)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.7.4)
     power_assert (2.0.5)
-    puma (7.0.2)
+    puma (7.0.4)
       nio4r (~> 2.0)
-    rack (3.2.1)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -23,16 +23,16 @@ GEM
       rack (>= 3)
     rake (13.3.0)
     ruby2_keywords (0.0.5)
-    sinatra (4.1.1)
+    sinatra (4.2.1)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.1)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     test-unit (3.7.0)
       power_assert
-    tilt (2.4.0)
+    tilt (2.6.1)
 
 PLATFORMS
   ruby
diff --git a/buildpacks/buildpack-scala/buildpack-version b/buildpacks/buildpack-scala/buildpack-version
index 0b160185d..0cf81b50f 100644
--- a/buildpacks/buildpack-scala/buildpack-version
+++ b/buildpacks/buildpack-scala/buildpack-version
@@ -1 +1 @@
-v99
+v100
diff --git a/include/buildpack.bash b/include/buildpack.bash
index 6368085f6..01e043845 100644
--- a/include/buildpack.bash
+++ b/include/buildpack.bash
@@ -70,6 +70,14 @@ _select-buildpack() {
   fi
 }
 
+buildpack-detect() {
+  declare desc="Detect suitable buildpack for an application"
+  ensure-paths
+  [[ "$USER" ]] || randomize-unprivileged
+  buildpack-setup >/dev/null
+  _select-buildpack
+}
+
 buildpack-build() {
   declare desc="Build an application using installed buildpacks"
   ensure-paths
diff --git a/include/herokuish.bash b/include/herokuish.bash
index f8bc06bdd..4e19af7c7 100644
--- a/include/herokuish.bash
+++ b/include/herokuish.bash
@@ -133,6 +133,7 @@ main() {
   cmd-export buildpack-install
   cmd-export buildpack-list
   cmd-export buildpack-test
+  cmd-export buildpack-detect
 
   cmd-export-ns slug "Manage application slugs"
   cmd-export slug-import
diff --git a/tests/functional/tests.sh b/tests/functional/tests.sh
index a61b2a582..18413d4ac 100644
--- a/tests/functional/tests.sh
+++ b/tests/functional/tests.sh
@@ -48,3 +48,48 @@ T_generate-slug() {
 		herokuish slug generate
 		tar tzf /tmp/slug.tgz"
 }
+
+T_buildpack-detect-default() {
+  herokuish-test "buildpack-detect-default" "
+    set -e
+    unset BUILDPACK_URL
+    export buildpack_path=/tmp/buildpacks
+    export build_path=/tmp/app
+    export unprivileged_user=\$(whoami)
+    export unprivileged_group=\$(id -gn)
+
+    rm -rf \$buildpack_path && mkdir -p \$buildpack_path
+
+    mkdir -p \$buildpack_path/00_buildpack-ruby/bin
+    {
+      echo '#!/usr/bin/env bash'
+      echo 'echo Ruby'
+      echo 'exit 0'
+    } > \$buildpack_path/00_buildpack-ruby/bin/detect
+    chmod +x \$buildpack_path/00_buildpack-ruby/bin/detect
+
+    herokuish buildpack detect | grep 'Ruby app detected'
+  "
+}
+
+T_buildpack-detect-fail() {
+  herokuish-test "buildpack-detect-fail" "
+    set -e
+    unset BUILDPACK_URL
+    export buildpack_path=/tmp/buildpacks
+    export build_path=/tmp/app
+    export unprivileged_user=\$(whoami)
+    export unprivileged_group=\$(id -gn)
+
+    rm -rf \$buildpack_path && mkdir -p \$buildpack_path
+
+    mkdir -p \$buildpack_path/00_buildpack-fail/bin
+    {
+      echo '#!/usr/bin/env bash'
+      echo 'exit 1'
+    } > \$buildpack_path/00_buildpack-fail/bin/detect
+    chmod +x \$buildpack_path/00_buildpack-fail/bin/detect
+
+    herokuish buildpack detect 2>&1 | grep 'Unable to select a buildpack'
+  "
+}