diff --git a/.gitmodules b/.gitmodules
index 7f778b6..68d731c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "maxima"]
 	path = maxima
 	url = https://git.code.sf.net/p/maxima/code
+[submodule "maxima-interface"]
+	path = maxima-interface
+	url = https://git.sr.ht/~jmbr/maxima-interface
diff --git a/maxima-interface b/maxima-interface
new file mode 160000
index 0000000..d0a0033
--- /dev/null
+++ b/maxima-interface
@@ -0,0 +1 @@
+Subproject commit d0a003323cecf7ef52d4cb60aa282854f89c882e