diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1eda1e4..6a663cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## Changelog
 
 ### v7.2.0-beta.1 (coming soon)
+* switch from apt-get to apt
 * add env PERMISSION_CHECK ([#251](https://github.com/buanet/ioBroker.docker/issues/251))
 * add some more DEBUG messages to log
 * add env IOB_BACKITUP_EXTDB to unlock external db backups in backitup adapter
diff --git a/debian/node16/Dockerfile b/debian/node16/Dockerfile
index 32323ae..40cb8a8 100644
--- a/debian/node16/Dockerfile
+++ b/debian/node16/Dockerfile
@@ -13,7 +13,7 @@ LABEL org.opencontainers.image.title="Official ioBroker Docker Image" \
 ENV DEBIAN_FRONTEND noninteractive
 
 # Install prerequisites (including node) and generating locales
-RUN apt-get update && apt-get install -y \
+RUN apt update && apt install -y \
     apt-utils \
     cifs-utils \
     curl \
@@ -32,7 +32,7 @@ RUN apt-get update && apt-get install -y \
     wget \
     # Install node
     && curl -sL https://deb.nodesource.com/setup_16.x | bash \
-    && apt-get update && apt-get install -y nodejs \
+    && apt update && apt install -y nodejs \
     # Install node-gyp
     && npm install -g node-gyp \
     # Generating locales
@@ -68,9 +68,9 @@ RUN mkdir -p /opt/scripts/.docker_config/ \
     && chown root:iobroker /usr/sbin/gosu \
     && chmod +s /usr/sbin/gosu \
     # Clean up installation cache
-    && apt-get autoclean -y \
-    && apt-get autoremove \
-    && apt-get clean \
+    && apt autoclean -y \
+    && apt autoremove \
+    && apt clean \
     && rm -rf /tmp/* /var/tmp/* \
     && rm -rf /root/.cache/* /root/.npm/* \
     && rm -rf /var/lib/apt/lists/*
diff --git a/debian/node18/Dockerfile b/debian/node18/Dockerfile
index 61130a7..8907c78 100644
--- a/debian/node18/Dockerfile
+++ b/debian/node18/Dockerfile
@@ -13,7 +13,7 @@ LABEL org.opencontainers.image.title="Official ioBroker Docker Image" \
 ENV DEBIAN_FRONTEND noninteractive
 
 # Install prerequisites (including node) and generating locales
-RUN apt-get update && apt-get install -y \
+RUN apt update && apt install -y \
     apt-utils \
     cifs-utils \
     curl \
@@ -32,7 +32,7 @@ RUN apt-get update && apt-get install -y \
     wget \
     # Install node
     && curl -sL https://deb.nodesource.com/setup_18.x | bash \
-    && apt-get update && apt-get install -y nodejs \
+    && apt update && apt install -y nodejs \
     # Install node-gyp
     && npm install -g node-gyp \
     # Generating locales
@@ -68,9 +68,9 @@ RUN mkdir -p /opt/scripts/.docker_config/ \
     && chown root:iobroker /usr/sbin/gosu \
     && chmod +s /usr/sbin/gosu \
     # Clean up installation cache
-    && apt-get autoclean -y \
-    && apt-get autoremove \
-    && apt-get clean \
+    && apt autoclean -y \
+    && apt autoremove \
+    && apt clean \
     && rm -rf /tmp/* /var/tmp/* \
     && rm -rf /root/.cache/* /root/.npm/* \
     && rm -rf /var/lib/apt/lists/*
diff --git a/debian/scripts/setup_packages.sh b/debian/scripts/setup_packages.sh
index da1ca2f..2b42ab8 100644
--- a/debian/scripts/setup_packages.sh
+++ b/debian/scripts/setup_packages.sh
@@ -2,13 +2,13 @@
 
 if [ $1 == "-install" ]
 then
-  apt-get -qq update
+  apt -qq update
   packages=$(cat /opt/scripts/.docker_config/.packages)
   for i in $packages; do
     if [ $(dpkg-query -W -f='${Status}' $i 2>/dev/null | grep -c "ok installed") -eq 0 ];
       then
         echo "$i is not installed. Installing..."
-        sudo apt-get -qq -y install $i
+        sudo apt -qq -y install $i
         echo "Done."
       else
         echo "$i is already installed."
@@ -16,15 +16,15 @@ then
   done
 elif [ $1 == "-update" ]
 then
-  apt-get -qq update
-  apt-get -qq -y upgrade
+  apt -qq update
+  apt -qq -y upgrade
 else
   echo "No paramerter found!"
   exit 1
 fi
 
 # Silent Cleanup
-apt-get -qq autoclean -y && apt-get -qq autoremove && apt-get -qq clean
+apt -qq autoclean -y && apt -qq autoremove && apt -qq clean
 rm -rf /tmp/* /var/tmp/* && rm -rf /root/.cache/* && rm -rf /var/lib/apt/lists/* && rm -f /opt/scripts/.docker_config/.packages
 
 exit 0