diff --git a/.gitmodules b/.gitmodules
index 0971c1a1a..7538e3fcf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -458,6 +458,10 @@
 	path = extensions/gdscript
 	url = https://github.com/GDQuest/zed-gdscript.git
 
+[submodule "extensions/gem"]
+	path = extensions/gem
+	url = https://github.com/mantou132/gem
+
 [submodule "extensions/gemini"]
 	path = extensions/gemini
 	url = https://github.com/clseibold/gemini-zed.git
diff --git a/extensions.toml b/extensions.toml
index c5fbbc29d..586a4e293 100644
--- a/extensions.toml
+++ b/extensions.toml
@@ -499,6 +499,11 @@ version = "0.3.0"
 submodule = "extensions/gdscript"
 version = "0.4.0"
 
+[gem]
+submodule = "extensions/gem"
+path = "crates/zed-plugin-gem"
+version = "0.0.1"
+
 [gemini]
 submodule = "extensions/gemini"
 version = "0.0.1"
diff --git a/extensions/gem b/extensions/gem
new file mode 160000
index 000000000..8a012b071
--- /dev/null
+++ b/extensions/gem
@@ -0,0 +1 @@
+Subproject commit 8a012b071c233adca9c4479a82a81a2086612629