diff --git a/config/prod.exs b/config/prod.exs
index cbe6c8f..b37795b 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -2,4 +2,4 @@ import Config
 
 config :still,
   url_fingerprinting: true,
-  base_url: "https://alchemyconf.com"
+  base_url: "https://2021.alchemyconf.com"
diff --git a/config/staging.exs b/config/staging.exs
index 49788cd..398531e 100644
--- a/config/staging.exs
+++ b/config/staging.exs
@@ -2,4 +2,4 @@ import Config
 
 config :still,
   url_fingerprinting: true,
-  base_url: "https://subvisual.github.io/alchemyconf.com/"
+  base_url: "https://subvisual.github.io/2021.alchemyconf.com/"