diff --git a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceMixed.java b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceMixed.java
index c26bbd5..f93fc7e 100644
--- a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceMixed.java
+++ b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceMixed.java
@@ -13,7 +13,7 @@
 import java.util.stream.IntStream;
 
 @Singleton
-class PyGalServiceMixed implements PyGalService {
+public class PyGalServiceMixed implements PyGalService {
     private final Value pythonFunctionXY;
 
     PyGalServiceMixed(GraalPyContext graalPyContext) {
diff --git a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePureJava.java b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePureJava.java
index 034f5ef..1ef895b 100644
--- a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePureJava.java
+++ b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePureJava.java
@@ -13,7 +13,7 @@
 
 
 @Singleton
-class PyGalServicePureJava implements PyGalService {
+public class PyGalServicePureJava implements PyGalService {
     private final PyGal pyGalModule;
 
     PyGalServicePureJava(GraalPyContext graalPyContext) {
diff --git a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePurePython.java b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePurePython.java
index 4ea2c9c..4840bcc 100644
--- a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePurePython.java
+++ b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServicePurePython.java
@@ -9,7 +9,7 @@
 import jakarta.inject.Singleton;
 
 @Singleton
-class PyGalServicePurePython implements PyGalService {
+public class PyGalServicePurePython implements PyGalService {
     private final String purePythonXY;
 
     PyGalServicePurePython(GraalPyContext graalPyContext) {
diff --git a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceValueAPIDynamic.java b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceValueAPIDynamic.java
index d96c261..21da725 100644
--- a/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceValueAPIDynamic.java
+++ b/graalpy/graalpy-micronaut-pygal-charts/src/main/java/com/example/PyGalServiceValueAPIDynamic.java
@@ -13,7 +13,7 @@
 import java.util.stream.IntStream;
 
 @Singleton
-class PyGalServiceValueAPIDynamic implements PyGalService {
+public class PyGalServiceValueAPIDynamic implements PyGalService {
     private final Value pyGalModule;
 
     PyGalServiceValueAPIDynamic(GraalPyContext context) {