diff --git a/scripts/download_clonezilla.sh b/scripts/download_clonezilla.sh
index df406c9..3a22e00 100755
--- a/scripts/download_clonezilla.sh
+++ b/scripts/download_clonezilla.sh
@@ -10,6 +10,10 @@ else
 	TFTP_DIRECTORY="/srv/tftp"
 fi
 
+if ! command -v unzip > /dev/null; then
+	apt install unzip
+fi
+
 CZ_INSTALLER_DIR="${TFTP_DIRECTORY}/installer/clonezilla"
 CZ_CONFIG_PXE="${CZ_INSTALLER_DIR}/menu.cfg.example"
 CZ_VERSION="2.5.0-5"
diff --git a/scripts/download_diag_tools.sh b/scripts/download_diag_tools.sh
index 8623d20..5164d1b 100755
--- a/scripts/download_diag_tools.sh
+++ b/scripts/download_diag_tools.sh
@@ -9,6 +9,11 @@ else
 	TFTP_DIRECTORY="/srv/tftp"
 fi
 
+
+if ! command -v unzip > /dev/null; then
+	apt install unzip
+fi
+
 ### Memtest {{{
 MEMTEST_VERSION="5.01"
 MEMTEST_URL="http://www.memtest.org/download/${MEMTEST_VERSION}/memtest86+-${MEMTEST_VERSION}.bin.gz"