diff --git a/.github/workflows/publish_gh_pages.yml b/.github/workflows/publish_gh_pages.yml
index 9460af3..6c3743b 100644
--- a/.github/workflows/publish_gh_pages.yml
+++ b/.github/workflows/publish_gh_pages.yml
@@ -32,10 +32,8 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version: "24"
-      - name: Install Antora
-        run: npm i antora
-      - name: Install Asciidoctor Kroki extension
-        run: npm i asciidoctor asciidoctor-kroki
+      - name: Install dependencies
+        run: npm ci
       - name: Generate Site
         run: npx antora docs/antora-playbook.yml
       - name: Create site folders
diff --git a/package-lock.json b/package-lock.json
index a9bf066..6ed6071 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,8 +5,8 @@
   "packages": {
     "": {
       "dependencies": {
-        "antora": "^3.1",
-        "asciidoctor-kroki": "^0.18"
+        "antora": "3.1.14",
+        "asciidoctor-kroki": "0.18.1"
       }
     },
     "node_modules/@antora/asciidoc-loader": {
diff --git a/package.json b/package.json
index 02841a7..086840e 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "preview": "npx http-server docs/build/site -o"
   },
   "dependencies": {
-    "antora": "^3.1",
-    "asciidoctor-kroki": "^0.18"
+    "antora": "3.1.14",
+    "asciidoctor-kroki": "0.18.1"
   }
 }