diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 5b96372..9081b2a 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -295,6 +295,15 @@ implement main0 () = ()
 fun main
     syscall(1, 1, message, len(message))
 end
+`,
+  },
+  bc: {
+    name: "bc",
+    repl: "bc",
+    main: "main.bc",
+    run: "bc main.bc",
+    template: `"Hello, world!
+"
 `,
   },
   beatnik: {
diff --git a/scripts/docker-install-phase3a.bash b/scripts/docker-install-phase3a.bash
index 6a173a7..b7cf64c 100755
--- a/scripts/docker-install-phase3a.bash
+++ b/scripts/docker-install-phase3a.bash
@@ -61,6 +61,9 @@ bash
 golang
 yasm
 
+# bc
+bc
+
 # BrainF
 beef