diff --git a/.drone.yml b/.drone.yml
index de3da732..2dca6cf7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -17,7 +17,7 @@ steps:
       - .mix
 
 - name: test
-  image: elixir:1.14.4-alpine
+  image: elixir:1.15.4-alpine
   environment:
     TEST_DATABASE_URL: ecto://postgres:postgres@database/cannery_test
     HOST: testing.example.tld
diff --git a/.tool-versions b/.tool-versions
index 88344c65..a3bdd22c 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-elixir 1.14.4-otp-25
-erlang 25.3
-nodejs 18.15.0
+elixir 1.15.4-otp-26
+erlang 26.0.2
+nodejs 20.6.0
diff --git a/Dockerfile b/Dockerfile
index 9786d362..2f9c40e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.14.4-alpine AS build
+FROM elixir:1.15.4-alpine AS build
 
 # install build dependencies
 RUN apk add --no-cache build-base npm git python3
diff --git a/assets/package.json b/assets/package.json
index 6087a659..eada09aa 100644
--- a/assets/package.json
+++ b/assets/package.json
@@ -3,8 +3,8 @@
   "description": " ",
   "license": "MIT",
   "engines": {
-    "node": "v18.15.0",
-    "npm": "9.5.0"
+    "node": "v20.6.0",
+    "npm": "9.8.1"
   },
   "scripts": {
     "deploy": "NODE_ENV=production webpack --mode production",
diff --git a/mix.exs b/mix.exs
index b9b68da0..080edb16 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,8 +4,8 @@ defmodule Cannery.MixProject do
   def project do
     [
       app: :cannery,
-      version: "0.9.4",
-      elixir: "1.14.4",
+      version: "0.9.5",
+      elixir: "1.15.4",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),