ARGS only apply from the FROM line apparently

Dockerfile

@@ -1,6 +1,5 @@
 FROM argoproj/argocd:v1.8.3 as base
 
-ARG HELM_SECRETS_VERSION="3.4.1" 
 USER root  
 RUN apt-get update  --allow-insecure-repositories --allow-unauthenticated && \
     apt-get install -y \
@@ -24,6 +23,7 @@ RUN cd /usr/local/bin && \
     chmod +x helm helm2 sops
 
 FROM addwrapper
+ARG HELM_SECRETS_VERSION="3.4.1" 
 # helm secrets plugin should be installed as user argocd or it won't be found
 USER argocd
 RUN /usr/local/bin/helm.bin plugin install https://github.com/jkroepke/helm-secrets --version ${HELM_SECRETS_VERSION}