diff --git a/build-aux/hydra/gnu-system.scm b/build-aux/hydra/gnu-system.scm
index e406ed94c5..a9df44a64d 100644
--- a/build-aux/hydra/gnu-system.scm
+++ b/build-aux/hydra/gnu-system.scm
@@ -123,6 +123,7 @@ (define %cross-targets
   '("mips64el-linux-gnu"
     "mips64el-linux-gnuabi64"
     "arm-linux-gnueabihf"
+    "aarch64-linux-gnu"
     "i686-w64-mingw32"))
 
 (define %guixsd-supported-systems