diff --git a/.tgs.yml b/.tgs.yml
index 22a65f0edc..0c2e45b1ca 100644
--- a/.tgs.yml
+++ b/.tgs.yml
@@ -3,7 +3,7 @@
 version: 1
 # The BYOND version to use (kept in sync with dependencies.sh by the "TGS Test Suite" CI job)
 # Must be interpreted as a string, keep quoted
-byond: "514.1556"
+byond: "515.1634"
 # Folders to create in "<instance_path>/Configuration/GameStaticFiles/"
 static_files:
   # Config directory should be static
diff --git a/dependencies.sh b/dependencies.sh
index a49122e9d2..a9f562ade7 100644
--- a/dependencies.sh
+++ b/dependencies.sh
@@ -5,7 +5,7 @@
 
 # byond version
 export BYOND_MAJOR=515
-export BYOND_MINOR=1633
+export BYOND_MINOR=1634
 
 #rust_g git tag
 export RUST_G_VERSION=0.4.10
diff --git a/tools/LinuxOneShot/docker-compose.yml b/tools/LinuxOneShot/docker-compose.yml
index c7002f4565..c2780a6a95 100644
--- a/tools/LinuxOneShot/docker-compose.yml
+++ b/tools/LinuxOneShot/docker-compose.yml
@@ -38,7 +38,7 @@ services:
       driver: none
   setup:
     environment:
-      TGS_BYOND: 513.1514
+      TGS_BYOND: 515.1634
       TGS_REPO: https://github.com/tgstation/tgstation
     build:
       context: ./SetupProgram