diff --git a/.gitmodules b/.gitmodules
index 0a136be84..d0c680ab6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -38,6 +38,10 @@
 	path = extensions/anya
 	url = https://github.com/anya-theme/anya-zed.git
 
+[submodule "extensions/apex"]
+	path = extensions/apex
+	url = https://github.com/brianevanmiller/zed-sfapex.git
+
 [submodule "extensions/aquarium-theme"]
 	path = extensions/aquarium-theme
 	url = https://github.com/biaqat/aquarium-theme-zed.git
diff --git a/extensions.toml b/extensions.toml
index 4d0555ea0..f45769a83 100644
--- a/extensions.toml
+++ b/extensions.toml
@@ -38,6 +38,10 @@ version = "0.0.1"
 submodule = "extensions/anya"
 version = "0.0.2"
 
+[apex]
+submodule = "extensions/apex"
+version = "0.0.1"
+
 [aquarium-theme]
 submodule = "extensions/aquarium-theme"
 version = "0.7.0"
diff --git a/extensions/apex b/extensions/apex
new file mode 160000
index 000000000..b1e81beeb
--- /dev/null
+++ b/extensions/apex
@@ -0,0 +1 @@
+Subproject commit b1e81beeb8ca15eb02c4e2f66750636133175cc3