diff --git a/board/common/overlay/sbin/fwupdate b/board/common/overlay/sbin/fwupdate
index a0537c85b6..1fbccd71b7 100755
--- a/board/common/overlay/sbin/fwupdate
+++ b/board/common/overlay/sbin/fwupdate
@@ -4,7 +4,7 @@
 #### usage ####
 
 function exit_usage() {
-    echo "Usage: fwupdate versions [-u]             (lists available versions, optionally showing the URL)"
+    echo "Usage: fwupdate versions [-j]             (lists available versions, optionally outputting json)"
     echo "       fwupdate current                   (shows the current version"
     echo "       fwupdate download <version|url>    (downloads a firmware version)"
     echo "       fwupdate extract                   (extracts the downloaded firmware archive)"
@@ -66,14 +66,14 @@ DD_PID_FILE=dd.pid
 function show_versions() {
     source $OS_CONF
     board=$(cat $SYS_BOARD_FILE)
-    show_url=$1
+    show_json=$1
   
     # the /usr/libexec/list-versions-* helpers return a table with the following format:
     #     <version>|<prerelease>|<board>|<url>
     versions=$(FW_USERNAME=$os_firmware_username FW_PASSWORD=$os_firmware_password \
                /usr/libexec/list-versions-$os_firmware_method $os_firmware_repo)
 
-    for version in $versions; do
+    for version in ${versions[@]}; do
         OIFS=$IFS
         IFS="|"
         varr=($version)
@@ -85,8 +85,12 @@ function show_versions() {
             continue  # skip other boards
         fi
 
-        if [ "$show_url" == "true" ]; then
-            echo ${varr[0]} ${varr[3]}
+        if [ "$show_json" == "true" ]; then
+            echo "{\"version\": \"${varr[0]}\"," \
+                  "\"url\": \"${varr[3]}\"," \
+                  "\"board\": \"${varr[2]}\"," \
+                  "\"prerelease\": ${varr[1]}," \
+                  "\"date\": \"${varr[4]}\"}"
         else
             echo ${varr[0]}
         fi
@@ -394,9 +398,9 @@ function new_version() {
 
 case "$1" in
     versions)
-        show_url="false"
-        test "$2" == "-u" && show_url="true"
-        show_versions $show_url
+        show_json="false"
+        test "$2" == "-j" && show_json="true"
+        show_versions $show_json
         ;;
 
     current)
diff --git a/board/common/overlay/usr/libexec/list-versions-bitbucket b/board/common/overlay/usr/libexec/list-versions-bitbucket
index e80b521d3a..f11b796185 100755
--- a/board/common/overlay/usr/libexec/list-versions-bitbucket
+++ b/board/common/overlay/usr/libexec/list-versions-bitbucket
@@ -20,7 +20,8 @@ test -n "$FW_USERNAME" && opts+=" --user $FW_USERNAME:$FW_PASSWORD"
 url="https://api.bitbucket.org/2.0/repositories/$1/downloads?pagelen=100&_=$(date +%s)"
 
 rtrimstr=$(for e in $extensions; do echo -n " | rtrimstr(\"$e\")"; done)
-jq_expr=".values[] | [{a: .name | split(\"-\"), url: .links.self.href}] | map((.a[2] $rtrimstr), \"false\", .a[1], .url) | join(\"|\")"
+jq_expr=".values[] | [{a: .name | split(\"-\"), url: .links.self.href, date: .created_on | split(\"T\")[0]}] |
+         map((.a[2] $rtrimstr), \"false\", .a[1], .url, .date) | join(\"|\")"
 
 curl $opts $url | jq --raw-output "$jq_expr" | while read line; do echo "$line" | check_prerelease; done
 exit ${PIPESTATUS[0]}
diff --git a/board/common/overlay/usr/libexec/list-versions-github b/board/common/overlay/usr/libexec/list-versions-github
index edea55c26c..f5b1d64197 100755
--- a/board/common/overlay/usr/libexec/list-versions-github
+++ b/board/common/overlay/usr/libexec/list-versions-github
@@ -8,7 +8,10 @@ fi
 opts="-s -S -f"
 test -n "$FW_USERNAME" && opts+=" --user $FW_USERNAME:$FW_PASSWORD"
 url=https://api.github.com/repos/$1/releases
-jq_expr='.[] | {version: .name, prerelease: .prerelease | tostring} + (.assets[] | {name: .name | split("-")[1], url: .browser_download_url}) | flatten | join("|")'
+
+jq_expr='.[] | {version: .name, prerelease: .prerelease | tostring} + 
+         (.assets[] | {name: .name | split("-")[1], url: .browser_download_url}) + 
+         ({date: .created_at | split("T")[0]}) | flatten | join("|")'
 
 curl $opts $url | jq --raw-output "$jq_expr"
 exit ${PIPESTATUS[0]}