diff --git a/install/usr/share/swarmlab.io/sec/swarmlab-sec b/install/usr/share/swarmlab.io/sec/swarmlab-sec
index eb2e6d8..0fe5926 100755
--- a/install/usr/share/swarmlab.io/sec/swarmlab-sec
+++ b/install/usr/share/swarmlab.io/sec/swarmlab-sec
@@ -141,7 +141,6 @@ if [ -d "$Wdir/project" ]; then
 		cat << EOF > $Wdir/Dockerfile
 		FROM $IMAGE_origin   AS builder
 		#
-ARG DEF_ALPINE_VERSION=$IMAGE_origin
 ARG DEF_USERNAME=root
 USER \${DEF_USERNAME}
 WORKDIR /tmp/build/
@@ -150,10 +149,7 @@ WORKDIR /tmp/build/
 RUN curl -fL https://downloads.volatilityfoundation.org/volatility3/symbols/windows.zip -o windows.zip && \
     unzip windows.zip
 
-RUN apk --purge del \
-    .build
-
-FROM \${DEF_ALPINE_VERSION}
+FROM $IMAGE_origin
 
 ARG DEF_USERNAME=root
 ARG DEF_INSTALL_PREFIX=/usr
@@ -303,7 +299,6 @@ if [ "$Wdir" ==  "$HOME" ]; then
 		cat << EOF > $Wdir/Dockerfile
 		FROM $IMAGE_origin   AS builder
 		#
-ARG DEF_ALPINE_VERSION=$IMAGE_origin
 ARG DEF_USERNAME=root
 USER \${DEF_USERNAME}
 WORKDIR /tmp/build/
@@ -312,10 +307,7 @@ WORKDIR /tmp/build/
 RUN curl -fL https://downloads.volatilityfoundation.org/volatility3/symbols/windows.zip -o windows.zip && \
     unzip windows.zip
 
-RUN apk --purge del \
-    .build
-
-FROM \${DEF_ALPINE_VERSION}
+FROM $IMAGE_origin
 
 
 ARG DEF_USERNAME=root