diff --git a/go.mod b/go.mod
index 4104761..361eedb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,11 @@
 module github.com/scottlepp/go-duck
 
-go 1.21.5
+go 1.21
 
 require (
 	github.com/JohnCGriffin/overflow v0.0.0-20211019200055-46fa312c352c // indirect
 	github.com/andybalholm/brotli v1.0.5 // indirect
-	github.com/apache/arrow/go/v15 v15.0.0 // indirect
+	github.com/apache/arrow/go/v15 v15.0.0
 	github.com/cheekybits/genny v1.0.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
@@ -40,7 +40,6 @@ require (
 
 require (
 	github.com/apache/arrow/go/arrow v0.0.0-20200730104253-651201b0f516
-	github.com/apache/arrow/go/v16 v16.0.0-20240221194630-e198f309c577
 	github.com/apache/thrift v0.17.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/grafana/grafana-plugin-sdk-go v0.212.0
diff --git a/go.sum b/go.sum
index ae53ab7..1024280 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,6 @@ github.com/apache/arrow/go/arrow v0.0.0-20200730104253-651201b0f516 h1:byKBBF2CK
 github.com/apache/arrow/go/arrow v0.0.0-20200730104253-651201b0f516/go.mod h1:QNYViu/X0HXDHw7m3KXzWSVXIbfUvJqBFe6Gj8/pYA0=
 github.com/apache/arrow/go/v15 v15.0.0 h1:1zZACWf85oEZY5/kd9dsQS7i+2G5zVQcbKTHgslqHNA=
 github.com/apache/arrow/go/v15 v15.0.0/go.mod h1:DGXsR3ajT524njufqf95822i+KTh+yea1jass9YXgjA=
-github.com/apache/arrow/go/v16 v16.0.0-20240221194630-e198f309c577 h1:yasphUpaL2bfCpVMfCb5iLKL9W85ItxW4T+oj3NxBeU=
-github.com/apache/arrow/go/v16 v16.0.0-20240221194630-e198f309c577/go.mod h1:+HkSDKotr3KDBxj7gTVgj8Egy18Y1ECzQdnY5XsXwlQ=
 github.com/apache/thrift v0.17.0 h1:cMd2aj52n+8VoAtvSvLn4kDC3aZ6IAkBuqWQ2IDu7wo=
 github.com/apache/thrift v0.17.0/go.mod h1:OLxhMRJxomX+1I/KUw03qoV3mMz16BwaKI+d4fPBx7Q=
 github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=