diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 0ff1670d..61c13413 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Setup JDK
         uses: actions/setup-java@v2
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'adopt'
 
       - name: Set up Maven
diff --git a/README.md b/README.md
index cd3c924a..40e2ff17 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,11 @@ Others papers about Nopol:
 
 Nopol requires Java and an SMT solver installed on the machine (e.g. Z3)
 
-Up to commit 80130c4c, Nopol required Java 8. Now it also works on Java 11, see https://github.com/SpoonLabs/nopol/pull/214
+Java version:
+
+* From 2013 to 2021, Nopol required Java 8. 
+* From Nov 19, 2021, Nopol works on Java 11, see https://github.com/SpoonLabs/nopol/pull/214
+* From August 8 2024, Nopol works with Java 18, see https://github.com/SpoonLabs/nopol/pull/234
 
 0) NoPol uses the `com.sun.jdi` that lives in `tools.jar`. Identify where `tools.jar` is and add the depencency in `pom.xml`
 
diff --git a/nopol/README.md b/nopol/README.md
index 736334d0..ac66cb20 100644
--- a/nopol/README.md
+++ b/nopol/README.md
@@ -1,7 +1,7 @@
 
 To run the tests:
 
-* install a JDK, and ensure that maven uses it
+* install a JDK, see expected version in ../README.md, and ensure that maven uses it
 * check that `z3` works well on the command line (`$ lib/z3/z3_for_linux``) (see TestUtility.java:    private String solverPath =  "lib/z3/z3_for_linux";)`
-* first run `mvn test -DskipTests` in `../test-projects/`. This creates `../test-projects/target/test-classes` (but doesn(t run the tests since the examples are buggy)
+* first run `mvn test -DskipTests` in `../test-projects/`. This creates `../test-projects/target/test-classes` (but doesn't run the tests since the examples are buggy)
 * then `mvn test`
diff --git a/nopol/pom.xml b/nopol/pom.xml
index 5c5a906c..99aff88d 100644
--- a/nopol/pom.xml
+++ b/nopol/pom.xml
@@ -267,7 +267,10 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>2.14.1</version>
                 <configuration>
-                    <argLine>-Xms2048m -Xmx2048m -cp ${java.home.openjdk11}/jmods/jdk.jdi.jmod</argLine>
+<!--                     java.lang.RuntimeException: java.lang.reflect.InaccessibleObjectException: Unable to make abstract boolean com.sun.tools.jdi.ReferenceTypeImpl.isAssignableTo(com.sun.jdi.ReferenceType) accessible: module jdk.jdi does not "opens com.sun.tools.jdi" to unnamed module -->
+<!--                     java.lang.IllegalAccessError: class fr.inria.lille.repair.expression.value.Value$1 (in unnamed module @0x5577140b) cannot access class sun.reflect.generics.reflectiveObjects.NotImplementedException (in module java.base) because module java.base does not export sun.reflect.generics.reflectiveObjects to unnamed module @0x5577140b -->
+                    
+                    <argLine>-Xms2048m -Xmx2048m -cp ${java.home.openjdk11}/jmods/jdk.jdi.jmod --add-opens jdk.jdi/com.sun.tools.jdi=ALL-UNNAMED --add-opens java.base/sun.reflect.generics.reflectiveObjects=ALL-UNNAMED</argLine>
                 </configuration>
             </plugin>
             <plugin>