diff --git a/bemani/api/app.py b/bemani/api/app.py
index 6b16d8a..d496dfb 100644
--- a/bemani/api/app.py
+++ b/bemani/api/app.py
@@ -237,6 +237,7 @@ def lookup(protoversion: str, requestgame: str, requestversion: str) -> Dict[str
             '23': VersionConstants.IIDX_COPULA,
             '24': VersionConstants.IIDX_SINOBUZ,
             '25': VersionConstants.IIDX_CANNON_BALLERS,
+            '26': VersionConstants.IIDX_ROOTAGE,
         },
         GameConstants.JUBEAT: {
             '5': VersionConstants.JUBEAT_SAUCER,
diff --git a/bemani/data/api/client.py b/bemani/data/api/client.py
index 5a9f6ea..2328875 100644
--- a/bemani/data/api/client.py
+++ b/bemani/data/api/client.py
@@ -141,6 +141,7 @@ class APIClient:
                 VersionConstants.IIDX_COPULA: '23',
                 VersionConstants.IIDX_SINOBUZ: '24',
                 VersionConstants.IIDX_CANNON_BALLERS: '25',
+                VersionConstants.IIDX_ROOTAGE: '26',
             },
             GameConstants.JUBEAT: {
                 VersionConstants.JUBEAT_SAUCER: '5',