diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ef8df83
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+*.aux
+*.fdb_latexmk
+*.fls
+*.log
+*.out
+*.xdv
diff --git a/Makefile b/Makefile
index e8e17b3..5a669a9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,10 @@
-.PHONY: clean
+.PHONY: clean distclean
 
 cviceni.pdf: $(wildcard *.tex)
-	tectonic cviceni.tex
+	latexmk -xelatex cviceni.tex
 
 clean:
-	rm cviceni.pdf
+	latexmk -c
+
+distclean:
+	latexmk -C
diff --git a/cviceni.pdf b/cviceni.pdf
index 984397d..3089fb3 100644
Binary files a/cviceni.pdf and b/cviceni.pdf differ
diff --git a/theory/Makefile b/theory/Makefile
index ab2fac7..299b8f9 100644
--- a/theory/Makefile
+++ b/theory/Makefile
@@ -1,7 +1,10 @@
-.PHONY: clean
+.PHONY: clean distclean
 
 theory.pdf: $(wildcard *.tex)
-	tectonic theory.tex
+	latexmk -xelatex theory.tex
 
 clean:
-	rm theory.pdf
+	latexmk -c
+
+distclean:
+	latexmk -C
diff --git a/theory/theory.pdf b/theory/theory.pdf
index 6c0e5f5..a378006 100644
Binary files a/theory/theory.pdf and b/theory/theory.pdf differ