diff --git a/Dockerfile b/Dockerfile
index 51a10593c8cf6aaf6c298d440216982e74fbaa9b..d5d163642cb7ca83bbc13490c8200c0d094681e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,11 +9,11 @@ ENV TAIKO_SKIP_CHROMIUM_DOWNLOAD=true
 ENV TAIKO_BROWSER_PATH=/usr/bin/chromium-browser
 ENV TAIKO_BROWSER_ARGS=--no-sandbox,--start-maximized,--disable-dev-shm-usage,--ignore-certificate-errors
 
-ADD https://github.com/fluxcd/flux2/releases/download/v0.22.0/flux_0.22.0_linux_amd64.tar.gz /tmp/
+ADD https://github.com/fluxcd/flux2/releases/download/v0.25.3/flux_0.25.3_linux_amd64.tar.gz /tmp/
 COPY ./requirements.txt /requirements.txt
 RUN \
   # Install kubectl from alpine edge until alpine 3.16 is released
-  apk --no-cache add kubectl=~1.23.1-r0 \
+  apk --no-cache add kubectl=~1.23.3-r0 \
     --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing && \
   apk --no-cache add \
     bash=~5.1.8-r0 \
diff --git a/ansible/group_vars/all/stackspin.yml b/ansible/group_vars/all/stackspin.yml
index 974db9473d08770d18f808bab2266e3c2cc82dfb..dd8767f1fd784cb33dad0bfceb955244caeb5a3d 100644
--- a/ansible/group_vars/all/stackspin.yml
+++ b/ansible/group_vars/all/stackspin.yml
@@ -9,7 +9,7 @@ ansible_python_interpreter: "/usr/bin/env python3"
 # Application versions
 flux:
   # https://github.com/fluxcd/flux2/releases
-  version: 0.22.0
+  version: 0.25.3
 
 k3s:
   # https://github.com/k3s-io/k3s/releases
diff --git a/docs/installation/install_stackspin.rst b/docs/installation/install_stackspin.rst
index 50c86a754da259bbf2b9e23e6740ba60226c5ac2..d4f841509e03c15c23226cb4b67e3878b80d7180 100644
--- a/docs/installation/install_stackspin.rst
+++ b/docs/installation/install_stackspin.rst
@@ -22,7 +22,7 @@ Prerequisites
 -------------
 
 - ``kubectl`` (`installation instructions <https://kubernetes.io/docs/tasks/tools/#kubectl>`__)
-- ``flux version 0.22.0`` (`Download flux_0.22.0_linux_amd64.tar.gz <https://github.com/fluxcd/flux2/releases/download/v0.22.0/flux_0.22.0_linux_amd64.tar.gz>`_)
+- ``flux version 0.25.3`` (`Download flux_0.25.3_linux_amd64.tar.gz <https://github.com/fluxcd/flux2/releases/download/v0.25.3/flux_0.25.3_linux_amd64.tar.gz>`_)
 
 Configuration
 -------------
diff --git a/install/flux-version-check.sh b/install/flux-version-check.sh
index ef3479f78511960d535c303cf1ec8b58979f2b7a..eef95d8cb60d384e28fc0d0611cc311050b09475 100644
--- a/install/flux-version-check.sh
+++ b/install/flux-version-check.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if [ "$(flux --version)" != "flux version 0.22.0" ]; then
-  echo "The Stackspin installation only works with Flux version 0.22.0"
+if [ "$(flux --version)" != "flux version 0.25.3" ]; then
+  echo "The Stackspin installation only works with Flux version 0.25.3"
   exit 1
 fi