diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index d14bd30935..a141e04cec 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -65,7 +65,7 @@ RUN install-tool dotnet 10.0.201
 RUN install-tool flutter 3.41.4
 
 # renovate: datasource=github-releases packageName=fluxcd/flux2
-RUN install-tool flux v2.8.2
+RUN install-tool flux v2.8.3
 
 # renovate: datasource=github-releases packageName=git-lfs/git-lfs
 RUN install-tool git-lfs v3.7.1
diff --git a/test/flux/Dockerfile b/test/flux/Dockerfile
index ce76b9f408..03e0ed547d 100644
--- a/test/flux/Dockerfile
+++ b/test/flux/Dockerfile
@@ -32,7 +32,7 @@ ARG CONTAINERBASE_DEBUG
 ARG CONTAINERBASE_LOG_LEVEL
 
 # renovate: datasource=github-releases depName=flux packageName=fluxcd/flux2
-ARG FLUX_VERSION=v2.8.2
+ARG FLUX_VERSION=v2.8.3
 
 USER 12021
 
diff --git a/test/flux/Dockerfile.arm64 b/test/flux/Dockerfile.arm64
index 5a8600744b..822b2180bd 100644
--- a/test/flux/Dockerfile.arm64
+++ b/test/flux/Dockerfile.arm64
@@ -38,7 +38,7 @@ ARG CONTAINERBASE_LOG_LEVEL
 FROM base AS test-flux
 
 # renovate: datasource=github-releases packageName=fluxcd/flux2
-RUN install-tool flux v2.8.2
+RUN install-tool flux v2.8.3
 
 #--------------------------------------
 # Image: final
diff --git a/test/latest/Dockerfile b/test/latest/Dockerfile
index 0ca6df919f..cca40ead74 100644
--- a/test/latest/Dockerfile
+++ b/test/latest/Dockerfile
@@ -185,7 +185,7 @@ RUN set -ex; id; id | grep "uid=${USER_ID}(${USER_NAME}) gid=0(root) groups=0(ro
 ARG IGNORED_TOOLS=powershell,node
 
 # renovate: datasource=github-releases packageName=fluxcd/flux2
-RUN install-tool flux v2.8.2
+RUN install-tool flux v2.8.3
 
 # renovate: datasource=github-releases packageName=git-lfs/git-lfs
 RUN install-tool git-lfs v3.7.1