diff --git a/npm b/npm
deleted file mode 100755
index e5e7ed560..000000000
--- a/npm
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-cd $(dirname $0)
-PATH="$PWD/node/":$PATH
-node "node/node_modules/npm/bin/npm-cli.js" "$@"
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index e5642e723..000000000
--- a/package-lock.json
+++ /dev/null
@@ -1,151 +0,0 @@
-{
-  "requires": true,
-  "lockfileVersion": 1,
-  "dependencies": {
-    "@popperjs/core": {
-      "version": "2.10.2",
-      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.10.2.tgz",
-      "integrity": "sha512-IXf3XA7+XyN7CP9gGh/XB0UxVMlvARGEgGXLubFICsUMGz6Q+DU+i4gGlpOxTjKvXjkJDJC8YdqdKkDj9qZHEQ=="
-    },
-    "anymatch": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.2.tgz",
-      "integrity": "sha512-P43ePfOAIupkguHUycrc4qJ9kz8ZiuOUijaETwX7THt0Y/GNK7v0aa8rY816xWjZ7rJdA5XdMcpVFTKMq+RvWg==",
-      "dev": true,
-      "requires": {
-        "normalize-path": "3.0.0",
-        "picomatch": "2.3.0"
-      }
-    },
-    "binary-extensions": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
-      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
-      "dev": true
-    },
-    "bootstrap": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.1.3.tgz",
-      "integrity": "sha512-fcQztozJ8jToQWXxVuEyXWW+dSo8AiXWKwiSSrKWsRB/Qt+Ewwza+JWoLKiTuQLaEPhdNAJ7+Dosc9DOIqNy7Q=="
-    },
-    "braces": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
-      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
-      "dev": true,
-      "requires": {
-        "fill-range": "7.0.1"
-      }
-    },
-    "chokidar": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.2.tgz",
-      "integrity": "sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==",
-      "dev": true,
-      "requires": {
-        "anymatch": "3.1.2",
-        "braces": "3.0.2",
-        "fsevents": "2.3.2",
-        "glob-parent": "5.1.2",
-        "is-binary-path": "2.1.0",
-        "is-glob": "4.0.3",
-        "normalize-path": "3.0.0",
-        "readdirp": "3.6.0"
-      }
-    },
-    "fill-range": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
-      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
-      "dev": true,
-      "requires": {
-        "to-regex-range": "5.0.1"
-      }
-    },
-    "fsevents": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
-      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
-      "dev": true,
-      "optional": true
-    },
-    "glob-parent": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
-      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
-      "dev": true,
-      "requires": {
-        "is-glob": "4.0.3"
-      }
-    },
-    "is-binary-path": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
-      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
-      "dev": true,
-      "requires": {
-        "binary-extensions": "2.2.0"
-      }
-    },
-    "is-extglob": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
-      "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-      "dev": true
-    },
-    "is-glob": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
-      "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
-      "dev": true,
-      "requires": {
-        "is-extglob": "2.1.1"
-      }
-    },
-    "is-number": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
-      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
-      "dev": true
-    },
-    "normalize-path": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
-      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
-      "dev": true
-    },
-    "picomatch": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
-      "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==",
-      "dev": true
-    },
-    "readdirp": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
-      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
-      "dev": true,
-      "requires": {
-        "picomatch": "2.3.0"
-      }
-    },
-    "sass": {
-      "version": "1.43.4",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.43.4.tgz",
-      "integrity": "sha512-/ptG7KE9lxpGSYiXn7Ar+lKOv37xfWsZRtFYal2QHNigyVQDx685VFT/h7ejVr+R8w7H4tmUgtulsKl5YpveOg==",
-      "dev": true,
-      "requires": {
-        "chokidar": "3.5.2"
-      }
-    },
-    "to-regex-range": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
-      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-      "dev": true,
-      "requires": {
-        "is-number": "7.0.0"
-      }
-    }
-  }
-}
diff --git a/package.json b/package.json
deleted file mode 100644
index ac649454e..000000000
--- a/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "dependencies": {
-        "bootstrap": "^5.1.3",
-        "@popperjs/core": "^2.10.1"
-    },
-    "devDependencies": {
-        "sass": "^1.43.4"
-    },
-    "scripts": {
-        "build": "sass --style expanded --source-map --embed-sources --no-error-css src/main/scss/:target/classes/static/resources/css/"
-    }
-}
diff --git a/pom.xml b/pom.xml
index 9d18e6db5..0c771a519 100644
--- a/pom.xml
+++ b/pom.xml
@@ -230,42 +230,50 @@
       </plugin>
 
       <plugin>
-        <groupId>com.github.eirslett</groupId>
-        <artifactId>frontend-maven-plugin</artifactId>
-        <version>${frontend-maven-plugin.version}</version>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
         <executions>
           <execution>
-            <id>install node and npm</id>
-            <goals>
-              <goal>install-node-and-npm</goal>
-            </goals>
-            <configuration>
-              <nodeVersion>${node.version}</nodeVersion>
-              <npmVersion>${npm.version}</npmVersion>
-            </configuration>
-          </execution>
-          <execution>
-            <id>npm install</id>
-            <goals>
-              <goal>npm</goal>
-            </goals>
-            <configuration>
-              <arguments>install</arguments>
-            </configuration>
-          </execution>
-          <execution>
-            <id>build</id>
-            <goals>
-              <goal>npm</goal>
-            </goals>
-            <configuration>
-              <arguments>run-script build</arguments>
-            </configuration>
+            <id>unpack</id>
+            <?m2e execute onConfiguration,onIncremental?>
             <phase>generate-resources</phase>
+            <goals>
+              <goal>unpack</goal>
+            </goals>
+            <configuration>
+              <artifactItems>
+                <artifactItem>
+                  <groupId>org.webjars.npm</groupId>
+                  <artifactId>bootstrap</artifactId>
+                  <version>${webjars-bootstrap.version}</version>
+                </artifactItem>
+              </artifactItems>
+              <outputDirectory>${project.build.directory}/webjars</outputDirectory>
+            </configuration>
           </execution>
         </executions>
       </plugin>
 
+      <plugin>
+        <groupId>com.gitlab.haynes</groupId>
+        <artifactId>libsass-maven-plugin</artifactId>
+        <version>0.2.26</version>
+        <executions>
+           <execution>
+              <phase>generate-resources</phase>
+              <?m2e execute onConfiguration,onIncremental?>
+              <goals>
+                 <goal>compile</goal>
+              </goals>
+           </execution>
+        </executions>
+        <configuration>
+           <inputPath>${basedir}/src/main/scss/</inputPath>
+           <outputPath>${basedir}/target/classes/static/resources/css/</outputPath>
+           <includePath>${project.build.directory}/webjars/META-INF/resources/webjars/bootstrap/${webjars-bootstrap.version}/scss/</includePath>
+        </configuration>
+     </plugin>
+
     </plugins>
   </build>
 
diff --git a/src/main/scss/petclinic.scss b/src/main/scss/petclinic.scss
index 903d9dbd6..6ed08d875 100644
--- a/src/main/scss/petclinic.scss
+++ b/src/main/scss/petclinic.scss
@@ -11,7 +11,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- @import "../../../node_modules/bootstrap/scss/bootstrap";
+ @import "bootstrap";
 
 $icon-font-path:    "../../webjars/bootstrap/fonts/";