diff --git a/ct/mail-archiver.sh b/ct/mail-archiver.sh
index e0a1e6062..8101b2365 100644
--- a/ct/mail-archiver.sh
+++ b/ct/mail-archiver.sh
@@ -28,6 +28,8 @@ function update_script() {
     exit
   fi
 
+  ensure_dependencies libgssapi-krb5-2
+
   if check_for_gh_release "mail-archiver" "s1t5/mail-archiver"; then
     msg_info "Stopping Mail-Archiver"
     systemctl stop mail-archiver
diff --git a/install/mail-archiver-install.sh b/install/mail-archiver-install.sh
index 26caab59b..24fb81061 100644
--- a/install/mail-archiver-install.sh
+++ b/install/mail-archiver-install.sh
@@ -22,7 +22,8 @@ setup_deb822_repo \
   "main"
 $STD apt install -y \
   dotnet-sdk-10.0 \
-  aspnetcore-runtime-8.0
+  aspnetcore-runtime-8.0 \
+  libgssapi-krb5-2
 msg_ok "Installed Dependencies"
 
 PG_VERSION="17" setup_postgresql