diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index dfee7cb..2e3246a 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -212,6 +212,19 @@ int main() {
   return 0;
 }
 `,
+  },
+  aspectj: {
+    aliases: ["aj"],
+    name: "AspectJ",
+    main: "Main.aj",
+    compile: "ajc Main.aj",
+    run: "java Main",
+    template: `public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello, world!");
+    }
+}
+`
   },
   ats: {
     aliases: ["dats"],
diff --git a/scripts/docker-install-phase3a.bash b/scripts/docker-install-phase3a.bash
index 0ff192a..29e5508 100755
--- a/scripts/docker-install-phase3a.bash
+++ b/scripts/docker-install-phase3a.bash
@@ -39,6 +39,9 @@ asciidoc
 # AspectC++
 aspectc++
 
+# AspectJ
+aspectj
+
 # ATS
 ats2-lang