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-rw-r--r--rust/examples/flowgraph/Cargo.toml2
1 files changed, 1 insertions, 1 deletions
diff --git a/rust/examples/flowgraph/Cargo.toml b/rust/examples/flowgraph/Cargo.toml
index c7e81697..84db987e 100644
--- a/rust/examples/flowgraph/Cargo.toml
+++ b/rust/examples/flowgraph/Cargo.toml
@@ -2,7 +2,7 @@
name = "flowgraph"
version = "0.1.0"
authors = ["Kyle Martin <kyle@vector35.com>"]
-edition = "2018"
+edition = "2021"
[lib]
crate-type = ["cdylib"]