diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 7cb2c61..f149532 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -6,6 +6,7 @@ COPY qemu-aarch64-static /usr/bin
 # set version label
 ARG BUILD_DATE
 ARG VERSION
+ARG HEIMDALL_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
 LABEL maintainer="aptalca"
 
@@ -23,11 +24,13 @@ RUN \
  echo "**** install heimdall ****" && \
  mkdir -p \
 	/var/www/localhost/heimdall && \
- HEIM_VER=$(curl -sX GET "https://api.github.com/repos/linuxserver/Heimdall/releases/latest" \
-	| awk '/tag_name/{print $4;exit}' FS='[""]') && \
+ if [ -z ${HEIMDALL_RELEASE+x} ]; then \
+ 	HEIMDALL_RELEASE=$(curl -sX GET "https://api.github.com/repos/linuxserver/Heimdall/releases/latest" \
+	| awk '/tag_name/{print $4;exit}' FS='[""]') \
+ fi && \
  curl -o \
  /tmp/heimdall.tar.gz -L \
-	"https://github.com/linuxserver/Heimdall/archive/${HEIM_VER}.tar.gz" && \
+	"https://github.com/linuxserver/Heimdall/archive/${HEIMDALL_RELEASE}.tar.gz" && \
  tar xf \
  /tmp/heimdall.tar.gz -C \
 	/var/www/localhost/heimdall --strip-components=1 && \