diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 18927a5..5722564 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -491,6 +491,14 @@ Nude pagoda careens.
 +++.------.--------.
 >>+.
 >++.
+`,
+  },
+  bython: {
+    aliases: ["by"],
+    name: "Bython",
+    main: "main.by",
+    run: "bython main.by",
+    template: `print("Hello, world!")
 `,
   },
   c: {
diff --git a/scripts/docker-install-phase5.bash b/scripts/docker-install-phase5.bash
index 42dc84f..95eecba 100755
--- a/scripts/docker-install-phase5.bash
+++ b/scripts/docker-install-phase5.bash
@@ -27,6 +27,9 @@ npm install -g bash-language-server
 # Befunge
 npm install -g befunge93 prompt-sync
 
+# Bython
+pip3 install bython
+
 # Chef
 cpanm -n Acme::Chef