diff --git a/Dockerfile b/Dockerfile
index e9f5ee1..8226ee9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,6 +42,12 @@
 RUN python3 -m easy_install pip==21.3.1
 RUN pip install tox==3.24.5
 
-RUN DEBIAN_FRONTEND=noninteractive apt -y install wget build-essential dh-make \
-                                            openjdk-8-jdk maven
+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