diff --git a/conformance/Cargo.toml b/conformance/Cargo.toml
index 7bdba5f..cdacc12 100644
--- a/conformance/Cargo.toml
+++ b/conformance/Cargo.toml
@@ -40,7 +40,7 @@ toml = "1"
 uuid = { version = "1", features = ["serde"] }
 bytes = { version = "1", features = ["serde"] }
 smol_str = { version = "0.2", features = ["serde"] }
-thin-vec = { version = "0.2", features = ["serde"] }
+thin-vec = { version = "0.2.20", features = ["serde"] }
 arrayvec = { version = "0.7", features = ["serde"] }
 smallvec = { version = "1", features = ["serde"] }
 tinyvec = { version = "1", features = ["serde", "alloc"] }
diff --git a/rkyv-example/Cargo.toml b/rkyv-example/Cargo.toml
index e809c03..25ec851 100644
--- a/rkyv-example/Cargo.toml
+++ b/rkyv-example/Cargo.toml
@@ -23,7 +23,7 @@ serde_json = "1"
 uuid = { version = "1", features = ["v4", "serde"] }
 bytes = "1"
 smol_str = { version = "0.2", features = ["serde"] }
-thin-vec = { version = "0.2", features = ["serde"] }
+thin-vec = { version = "0.2.20", features = ["serde"] }
 arrayvec = { version = "0.7", features = ["serde"] }
 smallvec = { version = "1", features = ["serde"] }
 tinyvec = { version = "1", features = ["serde", "alloc"] }