diff --git a/howto/upgrades/Makefile b/howto/upgrades/Makefile
index c4fe1d49eed9da1223be31a652bbb0fbbd82b159..6e041506af82ece3c301814f2c81e61d61580733 100644
--- a/howto/upgrades/Makefile
+++ b/howto/upgrades/Makefile
@@ -2,7 +2,7 @@
 PROG=predict-os
 
 data.png: data.csv
-	$(PROG) graph -o $@ --path $<
+	$(PROG) graph -o $@ --path $< --plot-type lineplot
 
 # order of requisites matter here, the releases must be in
 # chronological order, otherwise the resulting data.csv file will be
diff --git a/howto/upgrades/data.csv b/howto/upgrades/data.csv
index 674bb7d0c3b05010e9ba59233074cfa4f5d75ddb..17c2e9ec1b5dbdecaa98ea5add8f4dec1cea141c 100644
--- a/howto/upgrades/data.csv
+++ b/howto/upgrades/data.csv
@@ -120,3 +120,12 @@ Date,release,count
 2024-05-07,bookworm,74
 2024-05-07,bullseye,12
 2024-05-07,buster,2
+2024-06-10,bookworm,75
+2024-06-10,bullseye,12
+2024-06-10,buster,2
+2024-09-09,bookworm,76
+2024-09-09,bullseye,12
+2024-09-09,buster,2
+2024-10-15,bookworm,77
+2024-10-15,bullseye,12
+2024-10-15,buster,1
diff --git a/howto/upgrades/data.png b/howto/upgrades/data.png
index 65b13fb091c3e8ebddf78791e99d35ed39018e59..92a9fe5086772bc3e9b2887a6759b84f598277a0 100644
Binary files a/howto/upgrades/data.png and b/howto/upgrades/data.png differ