diff --git a/security/core/pom.xml b/security/core/pom.xml
index 6f9742628..18f64e5d0 100644
--- a/security/core/pom.xml
+++ b/security/core/pom.xml
@@ -72,12 +72,6 @@
             <scope>provided</scope>
         </dependency>
 
-        <dependency>
-            <groupId>org.jmockit</groupId>
-            <artifactId>jmockit</artifactId>
-            <version>${jmockit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.seedstack.seed</groupId>
             <artifactId>seed-testing-junit4</artifactId>
@@ -96,6 +90,12 @@
             <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.powermock</groupId>
+            <artifactId>powermock-core</artifactId>
+            <version>${powermock.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.glassfish</groupId>
             <artifactId>javax.el</artifactId>
diff --git a/security/core/src/test/java/org/seedstack/seed/security/internal/DefaultSecurityModuleUnitTest.java b/security/core/src/test/java/org/seedstack/seed/security/internal/DefaultSecurityModuleUnitTest.java
index 53ee64c6d..acedf742f 100644
--- a/security/core/src/test/java/org/seedstack/seed/security/internal/DefaultSecurityModuleUnitTest.java
+++ b/security/core/src/test/java/org/seedstack/seed/security/internal/DefaultSecurityModuleUnitTest.java
@@ -16,8 +16,8 @@
 import com.google.inject.binder.AnnotatedBindingBuilder;
 import com.google.inject.binder.AnnotatedElementBuilder;
 import java.lang.annotation.Annotation;
-import mockit.Deencapsulation;
 import org.junit.Test;
+import org.powermock.reflect.Whitebox;
 
 public class DefaultSecurityModuleUnitTest {
     @SuppressWarnings({"rawtypes", "unchecked"})
@@ -31,7 +31,7 @@ public void testShiroModule() {
         when(ab.annotatedWith(any(Annotation.class))).thenReturn(ab);
         AnnotatedElementBuilder aeb = mock(AnnotatedElementBuilder.class);
         when(b.expose(any(Class.class))).thenReturn(aeb);
-        Deencapsulation.setField(underTest, "binder", b);
+        Whitebox.setInternalState(underTest, "binder", b);
         underTest.configureShiro();
     }
 }
diff --git a/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleIntegrationTest.java b/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleIntegrationTest.java
index bfd092593..905929f16 100644
--- a/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleIntegrationTest.java
+++ b/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleIntegrationTest.java
@@ -22,10 +22,10 @@
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Set;
-import mockit.Deencapsulation;
 import org.apache.shiro.realm.Realm;
 import org.junit.Before;
 import org.junit.Test;
+import org.powermock.reflect.Whitebox;
 import org.seedstack.seed.security.SecurityConfig;
 import org.seedstack.seed.security.internal.authorization.ConfigurationRoleMapping;
 import org.seedstack.seed.security.internal.authorization.ConfigurationRolePermissionResolver;
@@ -66,7 +66,7 @@ public void configure_should_bind_wanted_components() {
         assertEquals(ShiroRealmAdapter.class, exposedRealm.getClass());
 
         ConfigurationRealm innerRealm = (ConfigurationRealm) ((ShiroRealmAdapter) exposedRealm).getRealm();
-        Set<?> users = Deencapsulation.getField(innerRealm, "users");
+        Set<?> users = Whitebox.getInternalState(innerRealm, "users");
         assertTrue(users.size() > 0);
 
         assertNotNull(innerRealm.getRoleMapping());
diff --git a/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleUnitTest.java b/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleUnitTest.java
index f398c0ca5..c9cf88288 100644
--- a/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleUnitTest.java
+++ b/security/core/src/test/java/org/seedstack/seed/security/internal/SecurityInternalModuleUnitTest.java
@@ -24,10 +24,10 @@
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Set;
-import mockit.Deencapsulation;
 import org.apache.shiro.realm.Realm;
 import org.junit.Before;
 import org.junit.Test;
+import org.powermock.reflect.Whitebox;
 import org.seedstack.seed.security.SecurityConfig;
 import org.seedstack.seed.security.internal.realms.ConfigurationRealm;
 
@@ -50,7 +50,7 @@ public void before() {
         when(binder.skipSources(any(Class.class), any(Class.class))).thenReturn(binder);
         securityConfigurer = mock(SecurityConfigurer.class);
         underTest = new SecurityInternalModule(securityConfigurer, new HashMap<>());
-        Deencapsulation.setField(underTest, "binder", binder);
+        Whitebox.setInternalState(underTest, "binder", binder);
     }
 
     @Test
@@ -72,8 +72,8 @@ public void testProvider() {
         Set<Class<? extends org.seedstack.seed.security.Realm>> realmClasses = new HashSet<>();
         realmClasses.add(ConfigurationRealm.class);
 
-        Deencapsulation.setField(rp, "injector", i);
-        Deencapsulation.setField(rp, "realmClasses", realmClasses);
+        Whitebox.setInternalState(rp, "injector", i);
+        Whitebox.setInternalState(rp, "realmClasses", realmClasses);
 
         Set<Realm> realms = rp.get();
         assertEquals(1, realms.size());
diff --git a/security/core/src/test/java/org/seedstack/seed/security/internal/realms/ConfigurationRealmUnitTest.java b/security/core/src/test/java/org/seedstack/seed/security/internal/realms/ConfigurationRealmUnitTest.java
index 0e1f97096..8e688991b 100644
--- a/security/core/src/test/java/org/seedstack/seed/security/internal/realms/ConfigurationRealmUnitTest.java
+++ b/security/core/src/test/java/org/seedstack/seed/security/internal/realms/ConfigurationRealmUnitTest.java
@@ -13,9 +13,9 @@
 import com.google.common.collect.Sets;
 import java.util.Collections;
 import java.util.Set;
-import mockit.Deencapsulation;
 import org.junit.Before;
 import org.junit.Test;
+import org.powermock.reflect.Whitebox;
 import org.seedstack.seed.security.AuthenticationInfo;
 import org.seedstack.seed.security.AuthenticationToken;
 import org.seedstack.seed.security.IncorrectCredentialsException;
@@ -38,7 +38,7 @@ public class ConfigurationRealmUnitTest {
     @Before
     public void before() {
         underTest = new ConfigurationRealm(null, null);
-        users = Deencapsulation.getField(underTest, "users");
+        users = Whitebox.getInternalState(underTest, "users");
         users.add(new ConfigurationUser(username, password, Sets.newHashSet(role1, role2)));
         users.add(new ConfigurationUser("toto", null, Sets.newHashSet()));
     }
diff --git a/web/security/pom.xml b/web/security/pom.xml
index ba24b92f5..7629e65f2 100644
--- a/web/security/pom.xml
+++ b/web/security/pom.xml
@@ -42,12 +42,6 @@
             <scope>provided</scope>
         </dependency>
 
-        <dependency>
-            <groupId>org.jmockit</groupId>
-            <artifactId>jmockit</artifactId>
-            <version>${jmockit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>