diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 678741a..9d72571 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -736,6 +736,15 @@ int main() {
   [pool drain];
   return 0;
 }
+`,
+  },
+  ocaml: {
+    name: "OCaml",
+    monacoLang: "plaintext",
+    main: "main.ml",
+    repl: "ocaml",
+    run: "ocaml -init main.ml",
+    template: `print_string "Hello, world!\\n";;
 `,
   },
   octave: {
diff --git a/scripts/docker-install-phase3c.bash b/scripts/docker-install-phase3c.bash
index e68abee..b91737b 100755
--- a/scripts/docker-install-phase3c.bash
+++ b/scripts/docker-install-phase3c.bash
@@ -24,6 +24,9 @@ yarn
 gcc
 gnustep-devel
 
+# Ocaml
+ocaml
+
 # Octave
 octave