diff --git a/.bazelrc b/.bazelrc
new file mode 100644
index 000000000..85f0bf089
--- /dev/null
+++ b/.bazelrc
@@ -0,0 +1,2 @@
+# Ensure that GHC is always selected from nixpkgs:
+build --host_platform=@io_tweag_rules_haskell//haskell/platforms:linux_x86_64_nixpkgs