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-rw-r--r--src/libsyntax_expand/Cargo.toml2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_expand/Cargo.toml b/src/libsyntax_expand/Cargo.toml
index f063753f599..d98b9457a62 100644
--- a/src/libsyntax_expand/Cargo.toml
+++ b/src/libsyntax_expand/Cargo.toml
@@ -22,5 +22,5 @@ rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_index = { path = "../librustc_index" }
 rustc_lexer = { path = "../librustc_lexer" }
 rustc_target = { path = "../librustc_target" }
-smallvec = { version = "0.6.7", features = ["union", "may_dangle"] }
+smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 syntax = { path = "../libsyntax" }