diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index a5576fd..d49855e 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -4,6 +4,6 @@
 This is a summary of all notable changes to the Antora Zip Contents Collector Extension by release.
 For a detailed view of what's changed, refer to the {url-repo}/commits[commit history] of this project.
 
-== Unreleased
+== 1.0.0-alpha.1 (2024-03-19)
 
 _Initial prerelease of the software._
diff --git a/package-lock.json b/package-lock.json
index 7ea18a0..22a287e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "antora-zip-contents-collector-extension",
-  "version": "1.0.0-alpha.0",
+  "version": "1.0.0-alpha.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "antora-zip-contents-collector-extension",
-      "version": "1.0.0-alpha.0",
+      "version": "1.0.0-alpha.1",
       "workspaces": [
         "packages/*"
       ],
@@ -29,7 +29,7 @@
         "prettier-eslint": "~15.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -7772,7 +7772,7 @@
     },
     "packages/antora-zip-contents-collector-extension": {
       "name": "@springio/antora-zip-contents-collector-extension",
-      "version": "1.0.0-alpha.0",
+      "version": "1.0.0-alpha.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@antora/expand-path-helper": "~2.0",
@@ -7785,7 +7785,7 @@
         "@antora/content-aggregator": "~3.1"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=20.0.0"
       }
     },
     "packages/antora-zip-contents-collector-extension/node_modules/isomorphic-git": {
@@ -7814,7 +7814,7 @@
     },
     "packages/antora-zip-contents-collector-test-harness": {
       "name": "@springio/antora-zip-contents-collector-test-harness",
-      "version": "1.0.0-alpha.0",
+      "version": "1.0.0-alpha.1",
       "devDependencies": {
         "@antora/logger": "~3.1",
         "chai": "~4.3",
@@ -7823,7 +7823,7 @@
         "node-git-server": "~1.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=20.0.0"
       }
     }
   }
diff --git a/package.json b/package.json
index aa18a0a..5726588 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "antora-zip-contents-collector-extension",
-  "version": "1.0.0-alpha.0",
+  "version": "1.0.0-alpha.1",
   "workspaces": [
     "packages/*"
   ],
diff --git a/packages/antora-zip-contents-collector-extension/package.json b/packages/antora-zip-contents-collector-extension/package.json
index 47210a2..83ca827 100644
--- a/packages/antora-zip-contents-collector-extension/package.json
+++ b/packages/antora-zip-contents-collector-extension/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@springio/antora-zip-contents-collector-extension",
-    "version": "1.0.0-alpha.0",
+    "version": "1.0.0-alpha.1",
     "description": "An Antora extension that runs a collects the content from local or remote zip files.",
     "license": "Apache-2.0",
     "author": "Spring (https://spring.io)",
@@ -9,14 +9,15 @@
     ],
     "homepage": "https://antora.org",
     "repository": {
-        "url": "https://github.com/spring-io/antora-zip-contents-collector-extension"},
+        "url": "https://github.com/spring-io/antora-zip-contents-collector-extension"
+    },
     "bugs": {
         "url": "https://github.com/spring-io/antora-zip-contents-collector-extension/issues"
     },
     "scripts": {
         "postpublish": "downdoc --postpublish",
         "prepublishOnly": "downdoc --prepublish"
-    },    
+    },
     "main": "lib/index.js",
     "exports": {
         ".": "./lib/index.js"
@@ -28,11 +29,11 @@
         "node": ">=20.0.0"
     },
     "dependencies": {
-      "@antora/expand-path-helper": "~2.0",
-      "cache-directory": "~2.0",
-      "glob-stream": "~7.0",
-      "isomorphic-git": "~1.21",
-      "js-yaml": "~4.1"      
+        "@antora/expand-path-helper": "~2.0",
+        "cache-directory": "~2.0",
+        "glob-stream": "~7.0",
+        "isomorphic-git": "~1.21",
+        "js-yaml": "~4.1"
     },
     "devDependencies": {
         "@antora/content-aggregator": "~3.1"
@@ -44,5 +45,4 @@
         "asciidoctor",
         "documentation"
     ]
-  }
-  
\ No newline at end of file
+}
diff --git a/packages/antora-zip-contents-collector-test-harness/package.json b/packages/antora-zip-contents-collector-test-harness/package.json
index b10cadd..60f6386 100644
--- a/packages/antora-zip-contents-collector-test-harness/package.json
+++ b/packages/antora-zip-contents-collector-test-harness/package.json
@@ -1,21 +1,20 @@
 {
     "private": true,
     "name": "@springio/antora-zip-contents-collector-test-harness",
-    "version": "1.0.0-alpha.0",
+    "version": "1.0.0-alpha.1",
     "exports": {
-      ".": "./lib/index.js",
-      "./config": "./lib/config.js",
-      "./mocha-ci-reporter": "./lib/mocha-ci-reporter.js"
+        ".": "./lib/index.js",
+        "./config": "./lib/config.js",
+        "./mocha-ci-reporter": "./lib/mocha-ci-reporter.js"
     },
     "engines": {
-      "node": ">=20.0.0"
+        "node": ">=20.0.0"
     },
     "devDependencies": {
-      "chai": "~4.3",
-      "chai-fs": "~2.0",
-      "dirty-chai": "~2.0",
-      "node-git-server": "~1.0",
-      "@antora/logger": "~3.1"
+        "chai": "~4.3",
+        "chai-fs": "~2.0",
+        "dirty-chai": "~2.0",
+        "node-git-server": "~1.0",
+        "@antora/logger": "~3.1"
     }
-  }
-  
\ No newline at end of file
+}