diff --git a/pom.xml b/pom.xml
index 061415e..2e2d2d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,14 +122,14 @@
         <java.version>11</java.version>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <bouncycastle.version>1.70</bouncycastle.version>
+        <bouncycastle.version>1.78.1</bouncycastle.version>
         <testng.version>7.7.1</testng.version>
         <mockito-core.version>4.11.0</mockito-core.version>
         <joda-time.version>2.12.0</joda-time.version>
         <jakarta.xml.bind-api-version>2.3.3</jakarta.xml.bind-api-version>
         <jaxb-impl-version>2.3.3</jaxb-impl-version>
         <guava.version>31.1-jre</guava.version>
-        <pkix-ocsp.version>2.0.0</pkix-ocsp.version>
+        <pkix-ocsp.version>2.1.0</pkix-ocsp.version>
         <metainf-services.version>1.9</metainf-services.version>
     </properties>
 
@@ -137,7 +137,7 @@
         <!-- BouncyCastle -->
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcpkix-jdk15on</artifactId>
+            <artifactId>bcpkix-jdk18on</artifactId>
             <version>${bouncycastle.version}</version>
         </dependency>
 
diff --git a/src/main/java/network/oxalis/commons/certvalidator/parser/ClassRuleParser.java b/src/main/java/network/oxalis/commons/certvalidator/parser/ClassRuleParser.java
index ac987b6..b7bd2e5 100644
--- a/src/main/java/network/oxalis/commons/certvalidator/parser/ClassRuleParser.java
+++ b/src/main/java/network/oxalis/commons/certvalidator/parser/ClassRuleParser.java
@@ -6,6 +6,7 @@
 import network.oxalis.commons.certvalidator.lang.ValidatorParsingException;
 import org.kohsuke.MetaInfServices;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.Map;
 
 /**
@@ -24,8 +25,8 @@ public ValidatorRule parse(Object o, Map<String, Object> objectStorage) throws V
         ClassType classType = (ClassType) o;
 
         try {
-            return (ValidatorRule) Class.forName(classType.getValue()).newInstance();
-        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
+            return (ValidatorRule) Class.forName(classType.getValue()).getDeclaredConstructor().newInstance();
+        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
             throw new ValidatorParsingException(
                     String.format("Unable to load rule '%s'.", classType.getValue()), e);
         }
diff --git a/src/main/java/network/oxalis/commons/certvalidator/rule/CRLRule.java b/src/main/java/network/oxalis/commons/certvalidator/rule/CRLRule.java
index 94f8169..0111228 100644
--- a/src/main/java/network/oxalis/commons/certvalidator/rule/CRLRule.java
+++ b/src/main/java/network/oxalis/commons/certvalidator/rule/CRLRule.java
@@ -11,7 +11,7 @@
 import org.bouncycastle.asn1.x509.DistributionPoint;
 import org.bouncycastle.asn1.x509.GeneralName;
 import org.bouncycastle.asn1.x509.GeneralNames;
-import org.bouncycastle.x509.extension.X509ExtensionUtil;
+import org.bouncycastle.cert.jcajce.JcaX509ExtensionUtils;
 
 import java.io.IOException;
 import java.security.cert.X509CRL;
@@ -58,7 +58,7 @@ public static List<String> getCrlDistributionPoints(X509Certificate certificate)
             if (!certificate.getNonCriticalExtensionOIDs().contains(CRL_EXTENSION))
                 return urls;
 
-            CRLDistPoint distPoint = CRLDistPoint.getInstance(X509ExtensionUtil.fromExtensionValue(certificate.getExtensionValue(CRL_EXTENSION)));
+            CRLDistPoint distPoint = CRLDistPoint.getInstance(JcaX509ExtensionUtils.parseExtensionValue(certificate.getExtensionValue(CRL_EXTENSION)));
             for (DistributionPoint dp : distPoint.getDistributionPoints())
                 for (GeneralName name : ((GeneralNames) dp.getDistributionPoint().getName()).getNames())
                     if (name.getTagNo() == GeneralName.uniformResourceIdentifier)
diff --git a/src/test/java/network/oxalis/commons/certvalidator/extra/NorwegianOrganizationNumberRuleTest.java b/src/test/java/network/oxalis/commons/certvalidator/extra/NorwegianOrganizationNumberRuleTest.java
index f307a35..4af3ea4 100644
--- a/src/test/java/network/oxalis/commons/certvalidator/extra/NorwegianOrganizationNumberRuleTest.java
+++ b/src/test/java/network/oxalis/commons/certvalidator/extra/NorwegianOrganizationNumberRuleTest.java
@@ -20,7 +20,7 @@ public class NorwegianOrganizationNumberRuleTest extends X509TestGenerator {
     @Test
     public void shouldExtractOrgnumberFromCertBasedOnSerialnumber() throws Exception {
         final String ORGNR = "123456789";
-        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None L=None, C=None, serialNumber=" + ORGNR);
+        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None, L=None, C=None, serialNumber=" + ORGNR);
 
         new NorwegianOrganizationNumberRule(new PrincipalNameProvider<String>() {
             @Override
@@ -34,7 +34,7 @@ public boolean validate(String value) {
     @Test(expectedExceptions = FailedValidationException.class)
     public void invalidOrgnumberFromCertBasedOnSerialnumber() throws Exception {
         final String ORGNR = "123 456 789";
-        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None L=None, C=None, serialNumber=" + ORGNR);
+        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None, L=None, C=None, serialNumber=" + ORGNR);
 
         new NorwegianOrganizationNumberRule(new PrincipalNameProvider<String>() {
             @Override
@@ -89,7 +89,7 @@ public boolean validate(String value) {
     @Test(expectedExceptions = FailedValidationException.class)
     public void notAcceptedOrgnumberFromCertBasedOnSerialnumber() throws Exception {
         final String ORGNR = "123456789";
-        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None L=None, C=None, serialNumber=" + ORGNR);
+        X509Certificate cert = createX509Certificate("CN=name, OU=None, O=None, L=None, C=None, serialNumber=" + ORGNR);
 
         new NorwegianOrganizationNumberRule(new PrincipalNameProvider<String>() {
             @Override
diff --git a/src/test/java/network/oxalis/commons/certvalidator/testutil/X509TestGenerator.java b/src/test/java/network/oxalis/commons/certvalidator/testutil/X509TestGenerator.java
index 02825e8..2e883fe 100644
--- a/src/test/java/network/oxalis/commons/certvalidator/testutil/X509TestGenerator.java
+++ b/src/test/java/network/oxalis/commons/certvalidator/testutil/X509TestGenerator.java
@@ -27,7 +27,7 @@ public abstract  class X509TestGenerator {
 
     protected X509Certificate createX509Certificate(Date from, Date to) throws NoSuchAlgorithmException, SignatureException, InvalidKeyException, CertificateException, OperatorCreationException, CertIOException {
         String domainName = "test";
-        return createX509Certificate(null, "CN=" + domainName + ", OU=None, O=None L=None, C=None", null, from, to);
+        return createX509Certificate(null, "CN=" + domainName + ", OU=None, O=None, L=None, C=None", null, from, to);
     }
 
     protected X509Certificate createX509Certificate(String subject, X509ExtensionCustom custom, Date from, Date to) throws NoSuchAlgorithmException, SignatureException, InvalidKeyException, CertificateException, OperatorCreationException, CertIOException {
@@ -48,9 +48,9 @@ protected X509Certificate createX509Certificate(X509Certificate issuer, String s
         if(issuer != null)
             issuerName = new X500Name(issuer.getSubjectX500Principal().getName());
         else
-            issuerName = new X500Name("CN=" + "test" + ", OU=None, O=None L=None, C=None");
+            issuerName = new X500Name("CN=" + "test" + ", OU=None, O=None, L=None, C=None");
 
-        SubjectPublicKeyInfo subjPubKeyInfo = new SubjectPublicKeyInfo(ASN1Sequence.getInstance(RSAPubKey.getEncoded()));
+        SubjectPublicKeyInfo subjPubKeyInfo = SubjectPublicKeyInfo.getInstance((ASN1Sequence.getInstance(RSAPubKey.getEncoded())));
 
 
         X509v3CertificateBuilder v3CertGen = new X509v3CertificateBuilder(
@@ -75,7 +75,7 @@ protected X509Certificate createX509Certificate(X509Certificate issuer, String s
 
     protected X509Certificate createX509Certificate(X509ExtensionCustom x509ExtensionCustom) throws NoSuchAlgorithmException, SignatureException, InvalidKeyException, CertificateException, OperatorCreationException, CertIOException {
         String domainName = "test";
-        return createX509Certificate("CN=" + domainName + ", OU=None, O=None L=None, C=None", x509ExtensionCustom, DateTime.now().minusYears(1).toDate(), DateTime.now().plusYears(1).toDate());
+        return createX509Certificate("CN=" + domainName + ", OU=None, O=None, L=None, C=None", x509ExtensionCustom, DateTime.now().minusYears(1).toDate(), DateTime.now().plusYears(1).toDate());
     }
 
     protected X509Certificate createX509Certificate() throws NoSuchAlgorithmException, SignatureException, InvalidKeyException, CertificateException, OperatorCreationException, CertIOException {