diff --git a/Dockerfile b/Dockerfile
index 9623f7f..01475b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,10 +41,8 @@
         python3-pip \
         tox
 
-ENV LC_ALL C.UTF-8
-ENV LANG C.UTF-8
-
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get -y install wget build-essential dh-make \
-                                              openjdk-8-jdk maven
-RUN update-java-alternatives --set /usr/lib/jvm/java-1.8.0-openjdk-amd64
+                                              openjdk-19-jdk maven
+RUN update-java-alternatives --jre-headless --set /usr/lib/jvm/java-1.19.0-openjdk-amd64
+