diff --git a/.github/scripts/check_schema_version.sh b/.github/scripts/check_schema_version.sh
new file mode 100755
index 000000000..819aea80e
--- /dev/null
+++ b/.github/scripts/check_schema_version.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+PROJECT_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+ONTOLOGY_VERSION=$(mvn help:evaluate -Dexpression=ontology.version -q -DforceStdout)
+
+# Check for changes and compare versions
+if git diff --quiet "main:$(git ls-tree -r --name-only main | grep 'iguana.owx')" 'src/main/resources/iguana.owx'; then
+    DIFF_STATUS=0
+else
+    DIFF_STATUS=1
+fi
+
+if [ $DIFF_STATUS = '1' ] && [ "$PROJECT_VERSION" != "$ONTOLOGY_VERSION" ];
+then
+  echo "Schema has changed, update ontology version to the project version inside the pom!"
+  exit 1
+fi
+
+exit 0
diff --git a/.github/workflows/check_version.yml b/.github/workflows/check_version.yml
index 770bf137c..f15f65cba 100644
--- a/.github/workflows/check_version.yml
+++ b/.github/workflows/check_version.yml
@@ -8,4 +8,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - run: .github/scripts/tagcheck.sh v$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
\ No newline at end of file
+      - run: .github/scripts/tagcheck.sh v$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+      - run: .github/scripts/check_schema_version.sh
\ No newline at end of file
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 47949ee79..f24fe45fd 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -69,7 +69,7 @@ jobs:
   deploy_docs:
     name: Deploy Documentation
     runs-on: ubuntu-latest
-    needs: find_version
+    needs: deploy_to_maven
     env:
       RELEASE_VERSION: ${{ needs.find_version.outputs.RELEASE_VERSION }}
     steps:
@@ -121,15 +121,20 @@ jobs:
           publish_dir: ./javadoc/${{ env.RELEASE_VERSION }}/apidocs
           destination_dir: ./javadoc/latest
 
+      - name: Fetch Ontologies
+        run: git fetch && git checkout origin/gh-pages ontology/
       - name: Find Ontology Version
-        run: echo "ONTOLOGY_VERSION=$(grep 'versionIRI' schema/iguana.owx | grep -Po '[0-9]+.[0-9]+.[0-9]+')" >> $GITHUB_OUTPUT
+        run: echo "ONTOLOGY_VERSION=$(grep 'versionIRI' artifacts/iguana.owx | grep -Po '[0-9]+.[0-9]+.[0-9]+')" >> $GITHUB_OUTPUT
         id: find_ontology_version
+      - name: Download artifacts from previous jobs
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts/
+          merge-multiple: true
 
-      - name: Fetch Ontologies
-        run: git fetch && git checkout origin/gh-pages ontology/
       - run: mkdir -p ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}
-      - run: cp schema/iguana.owx ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}/iguana.owx
-      - run: cp schema/iguana.owx ontology/iguana.owx
+      - run: cp artifacts/iguana.owx ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}/iguana.owx
+      - run: cp artifacts/iguana.owx ontology/iguana.owx
 
       - name: Deploy Ontology to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
diff --git a/graalvm/generate-config.sh b/graalvm/generate-config.sh
index fdd4625f2..d018f5f4c 100755
--- a/graalvm/generate-config.sh
+++ b/graalvm/generate-config.sh
@@ -44,6 +44,7 @@ fi
 
 # Run through multiple different execution paths, so that the tracing agent can generate complete configuration files.
 "$GRAALVM_HOME"/bin/java -agentlib:native-image-agent=config-merge-dir=src/main/resources/META-INF/native-image/ -jar "$TARGET_DIR"/iguana.jar --help             > /dev/null
+"$GRAALVM_HOME"/bin/java -agentlib:native-image-agent=config-merge-dir=src/main/resources/META-INF/native-image/ -jar "$TARGET_DIR"/iguana.jar --version          > /dev/null
 "$GRAALVM_HOME"/bin/java -agentlib:native-image-agent=config-merge-dir=src/main/resources/META-INF/native-image/ -jar "$TARGET_DIR"/iguana.jar --dry-run -is "$SUITE" > /dev/null
 "$GRAALVM_HOME"/bin/java -agentlib:native-image-agent=config-merge-dir=src/main/resources/META-INF/native-image/ -jar "$TARGET_DIR"/iguana.jar --dry-run "$SUITE"     > /dev/null
 
diff --git a/graalvm/generate-profile.sh b/graalvm/generate-profile.sh
index 8822f673b..93ee37266 100755
--- a/graalvm/generate-profile.sh
+++ b/graalvm/generate-profile.sh
@@ -40,21 +40,21 @@ if [ -z "$SUITE" ]; then
 fi
 
 # Instrument the application
-"$GRAALVM_HOME"/bin/native-image --pgo-instrument "$ARGUMENTS" -jar ./target/iguana.jar -o "./target/iguana-4.1.0-instrumented"
+"$GRAALVM_HOME"/bin/native-image --pgo-instrument "$ARGUMENTS" -jar ./target/iguana.jar -o "./target/iguana-instrumented"
 if [ $? -ne 0 ]; then
   echo "Error while instrumenting the application."
   exit 1
 fi
 
 # Generate the profile
-./target/iguana-4.1.0-instrumented -XX:ProfilesDumpFile=custom.iprof "$SUITE"
+./target/iguana-instrumented -XX:ProfilesDumpFile=custom.iprof "$SUITE"
 if [ $? -ne 0 ]; then
   echo "Error while generating the profile."
   exit 1
 fi
 
 # Compile the application with the profile
-"$GRAALVM_HOME"/bin/native-image --pgo=custom.iprof "$ARGUMENTS" -jar ./target/iguana.jar -o "./target/iguana-4.1.0-pgo"
+"$GRAALVM_HOME"/bin/native-image --pgo=custom.iprof "$ARGUMENTS" -jar ./target/iguana.jar -o "./target/iguana-pgo"
 if [ $? -ne 0 ]; then
   echo "Error while compiling the application."
   exit 1
diff --git a/pom.xml b/pom.xml
index eccbad943..f0c186f06 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,6 +40,8 @@
         <minor.version>1</minor.version>
         <build.version>0</build.version>
 
+        <ontology.version>4.1.0</ontology.version>
+
         <java.version>17</java.version>
         <jena.version>5.1.0</jena.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -146,6 +148,20 @@
     </dependencies>
 
     <build>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <includes><include>version.properties</include></includes>
+                <filtering>true</filtering>
+            </resource>
+            <resource>
+                <directory>src/main/resources</directory>
+                <excludes>
+                    <exclude>version.properties</exclude>
+                </excludes>
+                <filtering>false</filtering>
+            </resource>
+        </resources>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -227,6 +243,7 @@
                                     <directory>${project.basedir}/src/main/resources/</directory>
                                     <includes>
                                         <include>start-iguana.sh</include>
+                                        <include>iguana.owx</include>
                                     </includes>
                                     <filtering>true</filtering>
                                 </resource>
diff --git a/src/main/java/org/aksw/iguana/cc/controller/MainController.java b/src/main/java/org/aksw/iguana/cc/controller/MainController.java
index 1190f84e3..b806d3ea5 100644
--- a/src/main/java/org/aksw/iguana/cc/controller/MainController.java
+++ b/src/main/java/org/aksw/iguana/cc/controller/MainController.java
@@ -8,6 +8,7 @@
 
 import java.io.IOException;
 import java.nio.file.Path;
+import java.util.Objects;
 
 
 /**
@@ -36,6 +37,9 @@ public Path convert(String value) {
 
         @Parameter(description = "suite file {yml,yaml,json}", arity = 1, required = true, converter = PathConverter.class)
         private Path suitePath;
+
+        @Parameter(names = {"--version", "-v"}, description = "Outputs the version number of the program and result ontology.")
+        private boolean version;
     }
 
     private static final Logger LOGGER = LoggerFactory.getLogger(MainController.class);
@@ -45,7 +49,7 @@ public Path convert(String value) {
      *
      * @param argc The command line arguments that are passed to the program.
      */
-    public static void main(String[] argc) {
+    public static void main(String[] argc) throws IOException {
         // Configurator.reconfigure(URI.create("log4j2.yml"));
 
         var args = new Args();
@@ -55,6 +59,13 @@ public static void main(String[] argc) {
         try {
             jc.parse(argc);
         } catch (ParameterException e) {
+            // The exception is also thrown when no suite file is provided. In the case where only the version option
+            // is provided, this would still throw. Therefore, we need to check if the version option is provided.
+            if (args.version) {
+                outputVersion();
+                System.exit(0);
+            }
+
             System.err.println(e.getLocalizedMessage());
             jc.usage();
             System.exit(0);
@@ -63,6 +74,10 @@ public static void main(String[] argc) {
             jc.usage();
             System.exit(1);
         }
+        if (args.version) {
+            outputVersion();
+            System.exit(0);
+        }
 
         try {
             Suite parse = IguanaSuiteParser.parse(args.suitePath, !args.ignoreShema);
@@ -74,4 +89,13 @@ public static void main(String[] argc) {
         System.exit(0);
     }
 
+    private static void outputVersion() throws IOException {
+        ClassLoader classloader = MainController.class.getClassLoader();
+        String properties = new String(Objects.requireNonNull(classloader.getResourceAsStream("version.properties")).readAllBytes());
+        String[] lines = properties.split("\\n");
+        String projectVersion = lines[0].split("=")[1].trim();
+        String ontologyVersion = lines[1].split("=")[1].trim();
+        System.out.printf("IGUANA version: %s (result ontology version: %s)%n", projectVersion, ontologyVersion);
+    }
+
 }
diff --git a/schema/iguana.owx b/src/main/resources/iguana.owx
similarity index 99%
rename from schema/iguana.owx
rename to src/main/resources/iguana.owx
index d5f18e6f6..4bd4448b4 100644
--- a/schema/iguana.owx
+++ b/src/main/resources/iguana.owx
@@ -6,7 +6,7 @@
      xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
      xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
      ontologyIRI="https://vocab.dice-research.org/iguana/"
-     versionIRI="https://vocab.dice-research.org/iguana/4.1.0/">
+     versionIRI="https://vocab.dice-research.org/iguana/${ontology.version}/">
     <Prefix name="dc" IRI="http://purl.org/dc/elements/1.1/"/>
     <Prefix name="owl" IRI="http://www.w3.org/2002/07/owl#"/>
     <Prefix name="rdf" IRI="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
@@ -48,7 +48,7 @@
     </Annotation>
     <Annotation>
         <AnnotationProperty abbreviatedIRI="owl:versionInfo"/>
-        <Literal>4.1.0</Literal>
+        <Literal>${ontology.version}</Literal>
     </Annotation>
     <Declaration>
         <Class abbreviatedIRI="iont:Connection"/>
diff --git a/src/main/resources/version.properties b/src/main/resources/version.properties
new file mode 100644
index 000000000..340f91eff
--- /dev/null
+++ b/src/main/resources/version.properties
@@ -0,0 +1,2 @@
+version=${project.version}
+ontology_version=${ontology.version}
\ No newline at end of file