diff --git a/examen/Makefile b/examen/Makefile
index 3b28248fdc09fc3a8a60ec7a31c0d606e159f114..726a948913a9e7b73043e483f246ef25cf56333c 100644
--- a/examen/Makefile
+++ b/examen/Makefile
@@ -1,4 +1,4 @@
-EXAMEN=newton2022
+EXAMEN=newton2023
 
 $(EXAMEN).pdf: $(EXAMEN).md
 	pandoc -s -o $(EXAMEN).pdf $(EXAMEN).md --filter=pandoc-numbering --filter=pandoc-crossref --template=../default.latex --pdf-engine pdflatex
diff --git a/examen/figs/piano.svg.gpg b/examen/figs/piano.svg.gpg
new file mode 100644
index 0000000000000000000000000000000000000000..9b3c6f418a2e976429d9e2fd96e4cfbc165058db
Binary files /dev/null and b/examen/figs/piano.svg.gpg differ
diff --git a/examen/newton2023.md.gpg b/examen/newton2023.md.gpg
new file mode 100644
index 0000000000000000000000000000000000000000..46a8705d94603efb4c6de974eb2f5c503b36a1af
Binary files /dev/null and b/examen/newton2023.md.gpg differ