diff --git a/lib/FluxAMDGPU/.gitignore b/lib/FluxAMDGPU/.gitignore
new file mode 100644
index 0000000000..ba39cc531e
--- /dev/null
+++ b/lib/FluxAMDGPU/.gitignore
@@ -0,0 +1 @@
+Manifest.toml
diff --git a/lib/FluxCUDA/.gitignore b/lib/FluxCUDA/.gitignore
new file mode 100644
index 0000000000..ba39cc531e
--- /dev/null
+++ b/lib/FluxCUDA/.gitignore
@@ -0,0 +1 @@
+Manifest.toml