diff --git a/.gitmodules b/.gitmodules
index f564181..188a16b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -170,3 +170,6 @@
 [submodule "2023/timpy"]
 	path = 2023/timpy
 	url = https://github.com/timodw/aoc_2023
+[submodule "2023/robbe"]
+	path = 2023/robbe
+	url = git@github.com:Robbe7730/adventofcode2023
diff --git a/2023/robbe b/2023/robbe
new file mode 160000
index 0000000..42358b0
--- /dev/null
+++ b/2023/robbe
@@ -0,0 +1 @@
+Subproject commit 42358b06559fdb0f190f16541031eac5d694c355
diff --git a/README.md b/README.md
index 40768fd..f1db3b8 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 |:-----|:-------------------------------:|------:|
 | chvp | https://github.com/chvp/aoc2023 |     C |
 | mcbloch | https://github.com/mcbloch/AoC2023 | V |
+| robbe | https://github.com/Robbe7730/adventofcode2023 | Zig |
 
 
 * repo clonen: