diff --git a/Cross.toml b/Cross.toml
new file mode 100644
index 0000000..07306b8
--- /dev/null
+++ b/Cross.toml
@@ -0,0 +1,14 @@
+# Use edge images for ARM targets — the pinned 0.2.5 images have old glibc
+# that fails when build scripts use modern rustc.
+
+[target.armv7-unknown-linux-gnueabihf]
+image = "ghcr.io/cross-rs/armv7-unknown-linux-gnueabihf:main"
+
+[target.armv7-unknown-linux-musleabihf]
+image = "ghcr.io/cross-rs/armv7-unknown-linux-musleabihf:main"
+
+[target.arm-unknown-linux-gnueabihf]
+image = "ghcr.io/cross-rs/arm-unknown-linux-gnueabihf:main"
+
+[target.arm-unknown-linux-musleabihf]
+image = "ghcr.io/cross-rs/arm-unknown-linux-musleabihf:main"