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-rw-r--r--tests/ffi/Cargo.toml2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/ffi/Cargo.toml b/tests/ffi/Cargo.toml
index ef91f4f6..167bbb02 100644
--- a/tests/ffi/Cargo.toml
+++ b/tests/ffi/Cargo.toml
@@ -2,7 +2,7 @@
name = "cxx-test-suite"
version = "0.0.0"
authors = ["David Tolnay <dtolnay@gmail.com>"]
-edition = "2018"
+edition = "2021"
publish = false
[lib]