diff --git a/Dockerfile b/Dockerfile
index d8a401f..b13b480 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN \
   echo "**** fetch source code ****" && \
   if [ -z ${SYNCTHING_RELEASE+x} ]; then \
     SYNCTHING_RELEASE=$(curl -sX GET "https://api.github.com/repos/syncthing/syncthing/releases/latest" \
-    | awk '/tag_name/{print $4;exit}' FS='[""]'); \
+    | jq -r '.tag_name'); \
   fi && \
   mkdir -p \
     /tmp/sync && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index d5cd7be..8df8b3d 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -15,7 +15,7 @@ RUN \
   echo "**** fetch source code ****" && \
   if [ -z ${SYNCTHING_RELEASE+x} ]; then \
     SYNCTHING_RELEASE=$(curl -sX GET "https://api.github.com/repos/syncthing/syncthing/releases/latest" \
-    | awk '/tag_name/{print $4;exit}' FS='[""]'); \
+    | jq -r '.tag_name'); \
   fi && \
   mkdir -p \
     /tmp/sync && \