diff --git a/java-defold-bob/Dockerfile b/java-defold-bob/Dockerfile
index 1a4881c..0f67573 100644
--- a/java-defold-bob/Dockerfile
+++ b/java-defold-bob/Dockerfile
@@ -16,7 +16,7 @@ RUN apt-get update -y
 RUN apt-get install -y jq curl unzip
 
 # Install Java Development Kit
-RUN apt-get install -y openjdk-18-jdk openjdk-18-jre
+RUN apt-get install -y openjdk-17-jdk openjdk-17-jre
 RUN java --version 
 
 # Get latest stable Defold version and SHA1
@@ -26,6 +26,7 @@ RUN hash=$(echo $stable_info | jq -r '.sha1')
 
 # Download bob.jar
 RUN curl -L -o bob.jar https://github.com/defold/defold/releases/download/$version/bob.jar -s
+RUN chmod +x bob.jar
 
 # Add bob.jar to PATH
 ENV PATH="/defold:${PATH}"
\ No newline at end of file