diff --git a/.gitmodules b/.gitmodules
index dc2b03c81b..16061e07c6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -454,6 +454,10 @@
 	path = extensions/halcyon
 	url = https://github.com/hichemfantar/halcyon-zed.git
 
+[submodule "extensions/harper"]
+	path = extensions/harper
+	url = https://github.com/Stef16Robbe/harper_zed.git
+
 [submodule "extensions/hex-light-theme"]
 	path = extensions/hex-light-theme
 	url = https://github.com/coghost/light-zed-theme
diff --git a/extensions.toml b/extensions.toml
index fbdb8a9339..d185a7bba1 100644
--- a/extensions.toml
+++ b/extensions.toml
@@ -510,6 +510,10 @@ version = "1.0.0"
 submodule = "extensions/halcyon"
 version = "0.0.5"
 
+[harper]
+submodule = "extensions/harper"
+version = "0.0.3"
+
 [haskell]
 submodule = "extensions/zed"
 path = "extensions/haskell"
diff --git a/extensions/harper b/extensions/harper
new file mode 160000
index 0000000000..10477ae815
--- /dev/null
+++ b/extensions/harper
@@ -0,0 +1 @@
+Subproject commit 10477ae81511d65764fb4570e53ce689ba7c39bb