diff --git a/freshclam/CMakeLists.txt b/freshclam/CMakeLists.txt
index df5a187563..ef3616fe32 100644
--- a/freshclam/CMakeLists.txt
+++ b/freshclam/CMakeLists.txt
@@ -61,4 +61,18 @@ if(SYSTEMD_FOUND)
         FILES ${CMAKE_CURRENT_BINARY_DIR}/clamav-freshclam.service
         DESTINATION ${SYSTEMD_UNIT_DIR}
         COMPONENT programs)
+    configure_file(
+        ${CMAKE_CURRENT_SOURCE_DIR}/clamav-freshclam-once.service.in
+        ${CMAKE_CURRENT_BINARY_DIR}/clamav-freshclam-once.service @ONLY)
+    install(
+        FILES ${CMAKE_CURRENT_BINARY_DIR}/clamav-freshclam-once.service
+        DESTINATION ${SYSTEMD_UNIT_DIR}
+        COMPONENT programs)
+    configure_file(
+        ${CMAKE_CURRENT_SOURCE_DIR}/clamav-freshclam-once.timer.in
+        ${CMAKE_CURRENT_BINARY_DIR}/clamav-freshclam-once.timer @ONLY)
+    install(
+        FILES ${CMAKE_CURRENT_BINARY_DIR}/clamav-freshclam-once.timer
+        DESTINATION ${SYSTEMD_UNIT_DIR}
+        COMPONENT programs)
 endif()
diff --git a/freshclam/clamav-freshclam-once.service.in b/freshclam/clamav-freshclam-once.service.in
new file mode 100644
index 0000000000..5aad7a17d8
--- /dev/null
+++ b/freshclam/clamav-freshclam-once.service.in
@@ -0,0 +1,12 @@
+[Unit]
+Description=Update ClamAV virus database once
+Documentation=man:freshclam(1) man:freshclam.conf(5) https://docs.clamav.net/
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=@prefix@/bin/freshclam
+
+[Install]
+WantedBy=multi-user.target
diff --git a/freshclam/clamav-freshclam-once.timer.in b/freshclam/clamav-freshclam-once.timer.in
new file mode 100644
index 0000000000..8d2a6ef3e4
--- /dev/null
+++ b/freshclam/clamav-freshclam-once.timer.in
@@ -0,0 +1,11 @@
+[Unit]
+Description=Daily ClamAV virus database update
+
+[Timer]
+OnCalendar=daily
+AccuracySec=1h
+RandomizedDelaySec=1h
+Persistent=true
+
+[Install]
+WantedBy=timers.target