diff --git a/.travis.yml b/.travis.yml
index a03c3fe7..12392da4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,8 +21,8 @@ deploy:
   provider: releases
   file_glob: true
   file:
-  - output/final/*.tar.xz
-  - fyne-cross/bin/*.tar.xz
+  - output/final/*.tar.gz
+  - fyne-cross/bin/*.tar.gz
   draft: true
   prerelease: true
   skip_cleanup: true
diff --git a/build-skyimager.sh b/build-skyimager.sh
index 6245b450..e5f2a271 100755
--- a/build-skyimager.sh
+++ b/build-skyimager.sh
@@ -25,8 +25,7 @@ TARGETS=("linux-amd64" "darwin-amd64" "windows-amd64")
 for target in "${TARGETS[@]}"; do
   cd "$FYNE" || exit 1
   dst="./skyimager-$target-$VERSION"
-  tar -czf "$dst.tar" "$target"/* || exit 1
-  xz -vzT0 "$dst.tar" || exit 1
+  tar -czf "$dst.tar.gz" "$target"/* || exit 1
 done
 
 cd "$(pwd)" || 0
diff --git a/build.sh b/build.sh
index e7087b62..45faa775 100755
--- a/build.sh
+++ b/build.sh
@@ -414,8 +414,7 @@ calc_sums_compress()
     # compress
     info "Compressing, this will take a while..."
     name=$(echo "${img}" | rev | cut -d '.' -f 2- | rev)
-    tar -cvf "${name}.tar" "${img}"*
-    xz -vzT0 "${name}.tar"
+    tar -cvzf "${name}.tar.gz" "${img}"*
   done
 
   cd "${ROOT}" || return 1
@@ -442,7 +441,7 @@ clean_output_dir()
   # Clean parts.
   cd "${PARTS_ARMBIAN_DIR}" && find . -type f ! -name '*.7z' -delete
   cd "${PARTS_SKYWIRE_DIR}" && find . -type f ! -name '*.tar.gz' -delete && rm -rf bin
-  cd "${FINAL_IMG_DIR}" && find . -type f ! -name '*.tar.xz' -delete
+  cd "${FINAL_IMG_DIR}" && find . -type f ! -name '*.tar.gz' -delete
 
   # Rm base image.
   rm -v "${IMAGE_DIR}/base_image"
diff --git a/pkg/imager/builder.go b/pkg/imager/builder.go
index b34a6fee..86060257 100644
--- a/pkg/imager/builder.go
+++ b/pkg/imager/builder.go
@@ -20,7 +20,7 @@ import (
 // File extensions which we expect to see in the archive.
 const (
 	ExtTmp   = ".tmp"
-	ExtTarXz = ".tar.xz"
+	ExtTarGz = ".tar.gz"
 	ExtImg   = ".img"
 	ExtMD5   = ".img.md5"
 	ExtSHA1  = ".img.sha1"
@@ -71,7 +71,7 @@ func NewBuilder(log logrus.FieldLogger, root string) (*Builder, error) {
 
 // DownloadPath returns the path to the download file.
 func (b *Builder) DownloadPath() string {
-	return filepath.Join(b.baseDir, "download"+ExtTarXz)
+	return filepath.Join(b.baseDir, "download"+ExtTarGz)
 }
 
 // DownloadTotal is a thread-safe function that returns the total download size.
@@ -103,15 +103,15 @@ func (b *Builder) ExtractArchive() (err error) {
 	pkgFile := b.DownloadPath()
 	log.WithField("archive_file", pkgFile).Info("Extracting...")
 
-	tarXz := archiver.NewTarXz()
+	tarGz := archiver.NewTarGz()
 	defer func() {
-		if err := tarXz.Close(); err != nil {
+		if err := tarGz.Close(); err != nil {
 			log.WithError(err).Error("Failed to close archiver.")
 		}
 	}()
 
 	walkFn := func(f archiver.File) error {
-		if _, ok := hasExtension(f.Name(), ExtTarXz); ok || f.IsDir() {
+		if _, ok := hasExtension(f.Name(), ExtTarGz); ok || f.IsDir() {
 			log.WithField("file_name", f.Name()).
 				Debug("Skipping...")
 			return nil
@@ -160,7 +160,7 @@ func (b *Builder) ExtractArchive() (err error) {
 		return nil
 	}
 
-	if err = tarXz.Walk(pkgFile, walkFn); err != nil {
+	if err = tarGz.Walk(pkgFile, walkFn); err != nil {
 		return err
 	}
 
diff --git a/pkg/imager/latest_release.go b/pkg/imager/latest_release.go
index 3724bfdf..48bbeb97 100644
--- a/pkg/imager/latest_release.go
+++ b/pkg/imager/latest_release.go
@@ -18,7 +18,7 @@ const (
 )
 
 func expectedBaseImgAssetName(tag string) string {
-	return fmt.Sprintf("Skybian-%s%s", tag, ExtTarXz)
+	return fmt.Sprintf("Skybian-%s%s", tag, ExtTarGz)
 }
 
 // LatestBaseImgURL returns the latest stable base image download URL.