diff --git a/.gitmodules b/.gitmodules
index e3dfa2a7..f00d7ebd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -707,3 +707,6 @@
 [submodule "vendor/grammars/atom-language-stan"]
 	path = vendor/grammars/atom-language-stan
 	url = https://github.com/jrnold/atom-language-stan
+[submodule "vendor/grammars/sublime-terra"]
+	path = vendor/grammars/sublime-terra
+	url = https://github.com/pyk/sublime-terra
diff --git a/grammars.yml b/grammars.yml
index c8de7b72..b4df31de 100644
--- a/grammars.yml
+++ b/grammars.yml
@@ -541,6 +541,8 @@ vendor/grammars/sublime-spintools/:
 - source.spin
 vendor/grammars/sublime-tea:
 - source.tea
+vendor/grammars/sublime-terra:
+- source.terra
 vendor/grammars/sublime-text-ox/:
 - source.ox
 vendor/grammars/sublime-text-pig-latin/:
diff --git a/vendor/grammars/sublime-terra b/vendor/grammars/sublime-terra
new file mode 160000
index 00000000..2a73bf7d
--- /dev/null
+++ b/vendor/grammars/sublime-terra
@@ -0,0 +1 @@
+Subproject commit 2a73bf7dfd996d00d13ee9059b400f65069a6407