diff --git a/Dockerfile b/Dockerfile
index befeaae7..139dea1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,8 +6,11 @@ RUN apt-get update \
   # Clean up the apt cache
   && rm -rf /var/lib/apt/lists/*
 
+# Work around an issue with a deprecated hash function in Rails Webpacker 5
+ENV NODE_OPTIONS=--openssl-legacy-provider
+
 # Specify a major version of Node.js to download and install
-ENV NODEJS_MAJOR_VERSION=16
+ENV NODEJS_MAJOR_VERSION=20
 
 # Download and extract Node.js from archive supplied by nodejs.org
 RUN curl -L https://nodejs.org/dist/latest-v$NODEJS_MAJOR_VERSION\.x/SHASUMS256.txt -O \
diff --git a/app.json b/app.json
index 9b85f921..16fb40fe 100644
--- a/app.json
+++ b/app.json
@@ -26,6 +26,10 @@
     "LANG": {
       "required": true
     },
+    "NODE_OPTIONS": {
+      "required": true,
+      "value": "--openssl-legacy-provider"
+    },
     "RACK_ENV": {
       "required": true
     },
diff --git a/package.json b/package.json
index aa562d49..21b0484e 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,6 @@
   },
   "engines": {
     "yarn": "1.x",
-    "node": "16.x"
+    "node": "20"
   }
 }