diff --git a/python-sphinx.spec b/python-sphinx.spec
index bbd0cdc..02b4750 100644
--- a/python-sphinx.spec
+++ b/python-sphinx.spec
@@ -92,34 +92,66 @@ BuildRequires: ImageMagick
 %if %{with latex_tests}
 BuildRequires: texlive-collection-fontsrecommended
 BuildRequires: texlive-collection-latex
+BuildRequires: texlive-gnu-freefont
 BuildRequires: latexmk
 BuildRequires: texlive-dvipng
 BuildRequires: texlive-dvisvgm
+BuildRequires: tex(article.cls)
+BuildRequires: tex(utf8x.def)
+# Other dependencies.
+BuildRequires: tex(alltt.sty)
+BuildRequires: tex(amsfonts.sty)
 BuildRequires: tex(amsmath.sty)
+BuildRequires: tex(amssymb.sty)
+BuildRequires: tex(amstext.sty)
 BuildRequires: tex(amsthm.sty)
 BuildRequires: tex(anyfontsize.sty)
-BuildRequires: tex(article.cls)
+BuildRequires: tex(atbegshi.sty)
+BuildRequires: tex(babel.sty)
+BuildRequires: tex(bm.sty)
+BuildRequires: tex(booktabs.sty)
 BuildRequires: tex(capt-of.sty)
 BuildRequires: tex(cmap.sty)
-BuildRequires: tex(color.sty)
-BuildRequires: tex(ctablestack.sty)
+BuildRequires: tex(colortbl.sty)
+BuildRequires: tex(etoolbox.sty)
 BuildRequires: tex(fancyhdr.sty)
 BuildRequires: tex(fancyvrb.sty)
+BuildRequires: tex(float.sty)
 BuildRequires: tex(fncychap.sty)
+BuildRequires: tex(fontenc.sty)
+BuildRequires: tex(fontspec.sty)
 BuildRequires: tex(framed.sty)
-BuildRequires: tex(FreeSerif.otf)
 BuildRequires: tex(geometry.sty)
+BuildRequires: tex(graphicx.sty)
+BuildRequires: tex(hypcap.sty)
 BuildRequires: tex(hyperref.sty)
+BuildRequires: tex(inputenc.sty)
 BuildRequires: tex(kvoptions.sty)
+BuildRequires: tex(longtable.sty)
+BuildRequires: tex(ltxcmds.sty)
 BuildRequires: tex(luatex85.sty)
+BuildRequires: tex(makeidx.sty)
+BuildRequires: tex(multicol.sty)
 BuildRequires: tex(needspace.sty)
 BuildRequires: tex(parskip.sty)
 BuildRequires: tex(polyglossia.sty)
+BuildRequires: tex(remreset.sty)
+BuildRequires: tex(substitutefont.sty)
 BuildRequires: tex(tabulary.sty)
+BuildRequires: tex(textalpha.sty)
+BuildRequires: tex(textcomp.sty)
+BuildRequires: tex(tgheros.sty)
+BuildRequires: tex(tgtermes.sty)
 BuildRequires: tex(titlesec.sty)
 BuildRequires: tex(upquote.sty)
-BuildRequires: tex(utf8x.def)
+BuildRequires: tex(varwidth.sty)
 BuildRequires: tex(wrapfig.sty)
+BuildRequires: tex(xcolor.sty)
+# Other optional dependencies.
+BuildRequires: tex(ellipse.sty)
+BuildRequires: tex(fontawesome5.sty)
+BuildRequires: tex(fontawesome.sty)
+BuildRequires: tex(pict2e.sty)
 %endif
 %endif
 
@@ -203,36 +235,91 @@ the Python docs:
 Summary:       LaTeX builder dependencies for python%{python3_pkgversion}-sphinx
 
 Requires:      python%{python3_pkgversion}-sphinx = %{epoch}:%{version}-%{release}
+# Required dependencies as stated in the documentation [1]:
+#
+#   - texlive-collection-latexrecommended
+#   - texlive-collection-fontsrecommended
+#   - texlive-collection-fontsextra
+#   - texlive-collection-latexextra
+#   - texlive-tex-gyre
+#   - latexmk
+#
+# [1] https://www.sphinx-doc.org/en/master/usage/builders/index.html#sphinx.builders.latex.LaTeXBuilder
+#
+# These packages install 2500+ other packages requiring ~3 GiB of space.
+# Therefore, a more precise list of dependencies.
+
 Requires:      texlive-collection-fontsrecommended
 Requires:      texlive-collection-latex
+Requires:      texlive-gnu-freefont
 Requires:      latexmk
+
+# Required by sphinx.ext.imgmath – Render math as images
 Requires:      texlive-dvipng
 Requires:      texlive-dvisvgm
+#Requires:     tex(preview.sty)    Pulls in texlive-collection-latexrecommended
+
+Requires:      tex(article.cls)
+Requires:      tex(utf8x.def)
+
+# Other dependencies.
+# -- After searching for \RequirePackage{..} and \usepackage{..}.
+Requires:      tex(alltt.sty)
+Requires:      tex(amsfonts.sty)
 Requires:      tex(amsmath.sty)
+Requires:      tex(amssymb.sty)
+Requires:      tex(amstext.sty)
 Requires:      tex(amsthm.sty)
 Requires:      tex(anyfontsize.sty)
-Requires:      tex(article.cls)
+Requires:      tex(atbegshi.sty)
+Requires:      tex(babel.sty)
+Requires:      tex(bm.sty)
+Requires:      tex(booktabs.sty)
 Requires:      tex(capt-of.sty)
 Requires:      tex(cmap.sty)
-Requires:      tex(color.sty)
-Requires:      tex(ctablestack.sty)
+Requires:      tex(colortbl.sty)
+Requires:      tex(etoolbox.sty)
 Requires:      tex(fancyhdr.sty)
 Requires:      tex(fancyvrb.sty)
+Requires:      tex(float.sty)
 Requires:      tex(fncychap.sty)
+Requires:      tex(fontenc.sty)
+Requires:      tex(fontspec.sty)
 Requires:      tex(framed.sty)
-Requires:      tex(FreeSerif.otf)
 Requires:      tex(geometry.sty)
+Requires:      tex(graphicx.sty)
+Requires:      tex(hypcap.sty)
 Requires:      tex(hyperref.sty)
+Requires:      tex(inputenc.sty)
 Requires:      tex(kvoptions.sty)
+Requires:      tex(longtable.sty)
+Requires:      tex(ltxcmds.sty)
 Requires:      tex(luatex85.sty)
+Requires:      tex(makeidx.sty)
+Requires:      tex(multicol.sty)
 Requires:      tex(needspace.sty)
 Requires:      tex(parskip.sty)
 Requires:      tex(polyglossia.sty)
+Requires:      tex(remreset.sty)
+Requires:      tex(substitutefont.sty)
 Requires:      tex(tabulary.sty)
+Requires:      tex(textalpha.sty)
+Requires:      tex(textcomp.sty)
+Requires:      tex(tgheros.sty)
+Requires:      tex(tgtermes.sty)
 Requires:      tex(titlesec.sty)
 Requires:      tex(upquote.sty)
-Requires:      tex(utf8x.def)
+Requires:      tex(varwidth.sty)
 Requires:      tex(wrapfig.sty)
+Requires:      tex(xcolor.sty)
+#Requires:     tex(xeCJK.sty)      Pulls in pLaTeX and upLaTeX
+
+# The following dependencies are used only if available.
+# -- After searching for \IfFileExists{..}, \RequirePackage{..}
+Recommends:    tex(ellipse.sty)
+Recommends:    tex(fontawesome5.sty)
+Recommends:    tex(fontawesome.sty)
+Recommends:    tex(pict2e.sty)
 
 # No files in this package, automatic provides don't work:
 %py_provides   python%{python3_pkgversion}-sphinx-latex