diff --git a/Dockerfile b/Dockerfile
index a6356d7..b14c5e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,7 @@ RUN chown -R node:node /app
 USER node
 
 COPY --chown=node:node . .
+RUN npm config set package-lock false
 RUN yarn install --production=true
 
 ENTRYPOINT ["sh", "entrypoint.sh"]
diff --git a/src/service/project-preparation/project-preparation-service.ts b/src/service/project-preparation/project-preparation-service.ts
index d933eea..1f3a4f6 100644
--- a/src/service/project-preparation/project-preparation-service.ts
+++ b/src/service/project-preparation/project-preparation-service.ts
@@ -2,27 +2,10 @@ import {execSync} from "child_process";
 import SubmissionProject from "../../entities/submission-project/submission-project";
 import ServerErrorException from "../../exception/server-error-exception";
 import raiseDomainEvent from "../../common/domain-event";
-import * as fs from "fs";
-import {join} from "path";
 
 class ProjectPreparationService {
     install(submissionProject: SubmissionProject) {
         try {
-            const isPackageLockExist = fs.existsSync(join(submissionProject.packageJsonPath, 'package-lock.json'))
-            const isYarnLockExist = fs.existsSync(join(submissionProject.packageJsonPath, 'yarn.lock'))
-
-            if (isPackageLockExist) {
-                execSync('npm ci', {cwd: submissionProject.packageJsonPath, stdio: 'pipe', encoding:'utf-8'})
-                raiseDomainEvent('dependencies installed')
-                return
-            }
-
-            if (isYarnLockExist) {
-                execSync('yarn install --frozen-lockfile', {cwd: submissionProject.packageJsonPath, stdio: 'pipe', encoding:'utf-8'})
-                raiseDomainEvent('dependencies installed')
-                return
-            }
-
             execSync('npm install', {cwd: submissionProject.packageJsonPath, stdio: 'pipe', encoding:'utf-8'})
             raiseDomainEvent('dependencies installed')
         } catch (e) {