diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..51f7f84
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,31 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "docker" 
+    directory: "Renv" 
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "docker" 
+    directory: "aiida" 
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "docker" 
+    directory: "desktop" 
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "docker" 
+    directory: "matlab" 
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "docker" 
+    directory: "python-minimal-streamlit" 
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "docker" 
+    directory: "qgis" 
+    schedule:
+      interval: "weekly"
diff --git a/Renv/Dockerfile b/Renv/Dockerfile
index 7d6102d..123d187 100644
--- a/Renv/Dockerfile
+++ b/Renv/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-r:4.2.0-0.13.1
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-r:4.2.0-0.13.1
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src
diff --git a/aiida/Dockerfile b/aiida/Dockerfile
index bb0dbbc..45bc116 100644
--- a/aiida/Dockerfile
+++ b/aiida/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-py:3.9-0.11.1
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-py:3.9-0.11.1
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src
diff --git a/desktop/Dockerfile b/desktop/Dockerfile
index 4009da3..905e750 100644
--- a/desktop/Dockerfile
+++ b/desktop/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-vnc:0.11.1
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-vnc:0.11.1
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src
diff --git a/matlab/Dockerfile b/matlab/Dockerfile
index 0fefdb0..a8276cd 100644
--- a/matlab/Dockerfile
+++ b/matlab/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-matlab:0.11.1
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-matlab:0.11.1
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src
diff --git a/python-minimal-streamlit/Dockerfile b/python-minimal-streamlit/Dockerfile
index 69f5556..a948a1c 100644
--- a/python-minimal-streamlit/Dockerfile
+++ b/python-minimal-streamlit/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-py:3.9-0.14.0
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-py:3.9-0.14.0
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src
diff --git a/qgis/Dockerfile b/qgis/Dockerfile
index c50f00c..47c3c45 100644
--- a/qgis/Dockerfile
+++ b/qgis/Dockerfile
@@ -1,7 +1,6 @@
 # For finding latest versions of the base image see
 # https://github.com/SwissDataScienceCenter/renkulab-docker
-ARG RENKU_BASE_IMAGE=renku/renkulab-qgis:0.11.1
-FROM ${RENKU_BASE_IMAGE}
+FROM renku/renkulab-qgis:0.11.1
 
 # Uncomment and adapt if code is to be included in the image
 # COPY src /code/src