diff --git a/.gitignore b/.gitignore
index 4c1548125..41b51fc7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,5 +16,7 @@ target
 .classpath
 .project
 /build
+/target
 .DS_Store
 /.pmd
+.vscode
diff --git a/pom.xml b/pom.xml
index 2d0c75501..61f8b5f88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -317,7 +317,7 @@
         <dependency>
             <groupId>com.github.ralfstuckert.pdfbox-layout</groupId>
             <artifactId>pdfbox2-layout</artifactId>
-            <version>1.0.0</version>
+            <version>1.0.1</version>
             <exclusions>
                 <exclusion>
                     <groupId>*</groupId>
@@ -328,7 +328,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>4.1.1</version>
+            <version>3.10-FINAL</version>
         </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>
diff --git a/readme.md b/readme.md
index 3909731db..c2e344df8 100644
--- a/readme.md
+++ b/readme.md
@@ -35,7 +35,7 @@ Currently, the main development of ARX is carried out using Eclipse as an IDE an
 
 The Ant build script features various targets that can be used to build different versions of ARX (e.g. including GUI code or not). To build only the core code using Maven, set the system property `core` to `true`. This will build a platform independent jar with the ARX main code module and no GUI components:
 
-```$ mvn compile -Dcore=true``` 
+```$ mvn compile -Dcore=true -DskipTests``` 
 
 Contributing and code of conduct
 ------