diff --git a/.gitmodules b/.gitmodules
index f668999d2..5c691671f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -150,6 +150,10 @@
 	path = extensions/capnp
 	url = https://github.com/cmackenzie1/zed-capnp.git
 
+[submodule "extensions/cargo-tom"]
+	path = extensions/cargo-tom
+	url = https://github.com/frederik-uni/zed-cargotom.git
+
 [submodule "extensions/catbox"]
 	path = extensions/catbox
 	url = https://github.com/adibhanna/catbox.git
diff --git a/extensions.toml b/extensions.toml
index 64915cb85..38305aceb 100644
--- a/extensions.toml
+++ b/extensions.toml
@@ -156,6 +156,10 @@ version = "0.1.1"
 submodule = "extensions/capnp"
 version = "0.0.1"
 
+[cargo-tom]
+submodule = "extensions/cargo-tom"
+version = "0.4.1"
+
 [catbox]
 submodule = "extensions/catbox"
 version = "0.0.1"
diff --git a/extensions/cargo-tom b/extensions/cargo-tom
new file mode 160000
index 000000000..6fe09cd16
--- /dev/null
+++ b/extensions/cargo-tom
@@ -0,0 +1 @@
+Subproject commit 6fe09cd1628aec3c3dba0bfcb9b458a3894f140a