diff --git a/csv-core/Cargo.toml b/csv-core/Cargo.toml
index 0bb12fb..9979303 100644
--- a/csv-core/Cargo.toml
+++ b/csv-core/Cargo.toml
@@ -28,4 +28,4 @@ libc = ["memchr/libc"]
 memchr = { version = "2", default-features = false }
 
 [dev-dependencies]
-arrayvec = { version = "0.5", default-features = false }
+arrayvec = { version = "0.7", default-features = false }
diff --git a/csv-core/src/reader.rs b/csv-core/src/reader.rs
index fbb8894..dfb519d 100644
--- a/csv-core/src/reader.rs
+++ b/csv-core/src/reader.rs
@@ -1330,9 +1330,9 @@ mod tests {
 
     use super::{ReadFieldResult, Reader, ReaderBuilder, Terminator};
 
-    type Csv = ArrayVec<[Row; 10]>;
-    type Row = ArrayVec<[Field; 10]>;
-    type Field = ArrayString<[u8; 10]>;
+    type Csv = ArrayVec<Row, 10>;
+    type Row = ArrayVec<Field, 10>;
+    type Field = ArrayString<10>;
 
     // OMG I HATE BYTE STRING LITERALS SO MUCH.
     fn b(s: &str) -> &[u8] {