diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [0.2.1.0] - 2023-10-06
+
+### Added
+
+* `HasCodec a => HasCodec (Vector a)` instance.
+
 ## [0.2.0.6] - 2023-10-05
 
 ### Added
diff --git a/autodocodec.cabal b/autodocodec.cabal
--- a/autodocodec.cabal
+++ b/autodocodec.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           autodocodec
-version:        0.2.0.6
+version:        0.2.1.0
 synopsis:       Self-documenting encoder and decoder
 homepage:       https://github.com/NorfairKing/autodocodec#readme
 bug-reports:    https://github.com/NorfairKing/autodocodec/issues
diff --git a/src/Autodocodec/Class.hs b/src/Autodocodec/Class.hs
--- a/src/Autodocodec/Class.hs
+++ b/src/Autodocodec/Class.hs
@@ -27,6 +27,7 @@
 import Data.Text (Text)
 import qualified Data.Text.Lazy as LT
 import Data.Time
+import Data.Vector (Vector)
 import Data.Void
 import Data.Word
 
@@ -120,6 +121,9 @@
     disjointEitherCodec
       (ObjectOfCodec Nothing (requiredField' "Left"))
       (ObjectOfCodec Nothing (requiredField' "Right"))
+
+instance HasCodec a => HasCodec (Vector a) where
+  codec = vectorCodec codec
 
 instance HasCodec a => HasCodec [a] where
   codec = listCodecForStringCompatibility