diff --git a/Dockerfile b/Dockerfile
index 0cc7c0a..4ff01d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM golang:1.17 as builder
+FROM docker.io/golang:1.19 as builder
 RUN git clone --branch=20200403-1 --depth=1 https://github.com/camptocamp/helm-sops && \
     cd helm-sops && \
     go build
 RUN wget -O /tmp/helmfile https://github.com/roboll/helmfile/releases/download/v0.144.0/helmfile_linux_amd64 && chmod +x /tmp/helmfile
 RUN wget -O /tmp/yq https://github.com/mikefarah/yq/releases/download/v4.25.1/yq_linux_amd64 && chmod +x /tmp/yq
 
-FROM argoproj/argocd:v2.4.11
+FROM quay.io/argoproj/argocd:v2.6.1
 USER root
 COPY argocd-repo-server-wrapper /usr/local/bin/
 COPY argocd-helmfile /usr/local/bin/
@@ -18,5 +18,4 @@ RUN cd /usr/local/bin && \
     chmod 755 argocd-repo-server && \
     mv helm _helm && \
     mv helm-sops helm
-
 USER 999
diff --git a/README.md b/README.md
index caabb52..ac17d5d 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ To use this custom image when deploying Argo CD using the [Helm chart](https://g
 global:
   image:
     repository: "camptocamp/argocd"
-    tag: "v2.3.4_c2c.1"
+    tag: "v2.6.1_c2c.1"
 ```
 
 #### Using Sops with a GPG key
diff --git a/argocd-helmfile b/argocd-helmfile
index 0efa051..63aba0f 100755
--- a/argocd-helmfile
+++ b/argocd-helmfile
@@ -8,13 +8,22 @@
 # ARGOCD_APP_SOURCE_PATH - the path of the app within the repo
 # ARGOCD_APP_SOURCE_REPO_URL the repo's URL
 # ARGOCD_APP_SOURCE_TARGET_REVISION - the target revision from the spec, e.g. master.
-
-# does not have "v" in front
 # KUBE_VERSION="<major>.<minor>"
 # KUBE_API_VERSIONS="v1,apps/v1,..."
 
 set -e
-set -x
+
+if [ "${ARGOCD_CMP_HELMFILE_DEBUG}" == "true" ] ; then
+  set -x
+fi
+
+cleanup() {
+  if [[ "${ARGOCD_ENV_ADDITIONAL_VALUES}" ]] ; then
+    rm -r $tmpfile
+  fi
+}
+
+trap "cleanup" ERR
 
 echoerr() { printf "%s\n" "$*" >&2; }
 
@@ -85,11 +94,20 @@ case $phase in
       HELM_VALUES_FILE="--values ${file} ${HELM_VALUES_FILE}"
     done
 
+    if [[ "${ARGOCD_ENV_ADDITIONAL_VALUES}" ]] ; then
+      echoerr "Detected additional values"
+      tmpfile=$(mktemp /tmp/helmfile-additional-values-XXXXXX)
+      echo "${ARGOCD_ENV_ADDITIONAL_VALUES}" > $tmpfile
+      HELM_VALUES_FILE="--values ${tmpfile} ${HELM_VALUES_FILE}"
+    fi
+
     ${helmfile} \
       template \
       --skip-deps \
       --args "${INTERNAL_HELM_TEMPLATE_OPTIONS}" \
       ${HELM_VALUES_FILE}
+
+    cleanup
     ;;
 
   *)