diff --git a/Makefile b/Makefile
index 211bd339..31fb8ea7 100755
--- a/Makefile
+++ b/Makefile
@@ -191,14 +191,14 @@ $(DB_DIR): $(LATEST_DB)
 	fi
 endif
 
-# Make sure unstable/sid points to testing/buster, as there is no build
+# Make sure unstable/sid points to testing/bookworm, as there is no build
 # rule for unstable/sid.
 unstable-map:
 	$(Q)if [ ! -d $(BASEDIR)/data/sid ] ; then \
-		ln -s buster $(BASEDIR)/data/sid ; \
+		ln -s bookworm $(BASEDIR)/data/sid ; \
 	fi
 	$(Q)if [ ! -d $(BASEDIR)/tools/boot/sid ] ; then \
-		ln -s buster $(BASEDIR)/tools/boot/sid ; \
+		ln -s bookworm $(BASEDIR)/tools/boot/sid ; \
 	fi
 
 #################
diff --git a/data/sid b/data/sid
index 91bf492f..5b206cd0 120000
--- a/data/sid
+++ b/data/sid
@@ -1 +1 @@
-bullseye
\ No newline at end of file
+bookworm
\ No newline at end of file
diff --git a/tools/boot/sid b/tools/boot/sid
index 91bf492f..5b206cd0 120000
--- a/tools/boot/sid
+++ b/tools/boot/sid
@@ -1 +1 @@
-bullseye
\ No newline at end of file
+bookworm
\ No newline at end of file
diff --git a/tools/sid b/tools/sid
new file mode 120000
index 00000000..5b206cd0
--- /dev/null
+++ b/tools/sid
@@ -0,0 +1 @@
+bookworm
\ No newline at end of file