diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9933fa9aa7..f8099ed22e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ on:
   - pull_request
 
 env:
-  GO_VERSION: "1.20.x"
+  GO_VERSION: "1.21.x"
   GOTESTSUM_VERSION: "latest"
 
 jobs:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 734e0e3784..7c346fa8f5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,7 +5,7 @@ on:
       - 'v*'
 
 env:
-  GO_VERSION: "1.18.x"
+  GO_VERSION: "1.21.x"
 
 jobs:
   build:
diff --git a/ext4/tar2ext4/tar2ext4.go b/ext4/tar2ext4/tar2ext4.go
index 14ff66eee6..b319096073 100644
--- a/ext4/tar2ext4/tar2ext4.go
+++ b/ext4/tar2ext4/tar2ext4.go
@@ -1,4 +1,4 @@
-package tar2ext4
+:package tar2ext4
 
 import (
 	"archive/tar"
@@ -148,7 +148,7 @@ func ConvertTarToExt4(r io.Reader, w io.ReadWriteSeeker, options ...Option) erro
 
 			var typ uint16
 			switch hdr.Typeflag {
-			case tar.TypeReg, tar.TypeRegA:
+			case tar.TypeReg:
 				typ = compactext4.S_IFREG
 			case tar.TypeSymlink:
 				typ = compactext4.S_IFLNK