diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff371f5e4..e58b858e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,8 +46,8 @@ jobs:
           - 13
           - 14
           - 15
-#          - 16
-#          - 17
+          - 16
+          - 17
     steps:
       - name: Git checkout
         uses: actions/checkout@v2
diff --git a/cygnus-common/pom.xml b/cygnus-common/pom.xml
index b0598b381..a9f3ce592 100644
--- a/cygnus-common/pom.xml
+++ b/cygnus-common/pom.xml
@@ -176,6 +176,9 @@
                   <version>3.0.0</version>
                   <configuration>
                     <skipTests>true</skipTests>
+                    <argLine>
+                      --add-opens=java.base/java.lang.invoke=ALL-UNNAMED
+                    </argLine>
                   </configuration>
                 </plugin>
                 <!-- Explicit Java version declaration in needed in some systems in which Maven seems not  -->
diff --git a/cygnus-ngsi/pom.xml b/cygnus-ngsi/pom.xml
index 20fe49a3c..6d35649d6 100644
--- a/cygnus-ngsi/pom.xml
+++ b/cygnus-ngsi/pom.xml
@@ -174,7 +174,10 @@
                                 <artifactId>maven-surefire-report-plugin</artifactId>
                                 <version>3.0.0</version>
                                 <configuration>
-                                    <aggregate>true</aggregate>
+                                  <aggregate>true</aggregate>
+                                  <argLine>
+                                    --add-opens=java.base/java.lang.invoke=ALL-UNNAMED
+                                  </argLine>
                                 </configuration>
                             </plugin>
                             <plugin>