diff --git a/tools/singularity/fedora32_mingw.def b/tools/singularity/fedora32_mingw.def
index fa0227c4e3..68ad7b2a59 100644
--- a/tools/singularity/fedora32_mingw.def
+++ b/tools/singularity/fedora32_mingw.def
@@ -30,12 +30,12 @@ From: fedora:32
                mingw32-expat mingw64-expat \
                mingw64-expat-static mingw32-expat-static \
                mingw32-sqlite-static mingw64-sqlite-static \
-               enchant python3-virtualenv doxygen \
+               enchant python3-virtualenv doxygen latexmk \
                texlive-latex-fonts texlive-pslatex texlive-collection-latexrecommended \
                texlive-latex texlive-latexconfig doxygen-latex texlive-collection-latex \
                texlive-latex-bin texlive-lualatex-math texlive-fncychap texlive-tabulary \
                texlive-framed texlive-wrapfig texlive-upquote texlive-capt-of \
-               texlive-needspace texlive-titlesec texlive-anysize texlive-dvipng \
+               texlive-needspace texlive-titlesec texlive-anysize texlive-dvipng texlive-xindy \
                blas-devel lapack-devel libyaml-devel openkim-models kim-api-devel \
                zstd libzstd-devel
         dnf clean all
diff --git a/tools/singularity/ubuntu18.04.def b/tools/singularity/ubuntu18.04.def
index 921000c326..54c750955b 100644
--- a/tools/singularity/ubuntu18.04.def
+++ b/tools/singularity/ubuntu18.04.def
@@ -64,6 +64,8 @@ From: ubuntu:18.04
         texlive-publishers \
         texlive-science \
         dvipng \
+        latexmk \
+        xindy \
         vim-nox \
         virtualenv \
         voro++-dev \