diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d17d96a5..ed4822ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     name: "Lint"
     strategy:
       matrix:
-        go-version: [ "1.21" ]
+        go-version: [ stable ]
         os: [ "ubuntu-latest" ]
     runs-on: ${{ matrix.os }}
     permissions:
@@ -37,7 +37,7 @@ jobs:
     name: "Test"
     strategy:
       matrix:
-        go-version: [ "1.20", "1.21" ]
+        go-version: [ oldstable, stable ]
         os: [ "ubuntu-latest", "windows-latest", "macos-latest" ]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/analyzer/analyzer.go b/analyzer/analyzer.go
index ec75fd40..5be31eb6 100644
--- a/analyzer/analyzer.go
+++ b/analyzer/analyzer.go
@@ -150,7 +150,7 @@ func getCompositeLitRelatedComments(stack []ast.Node, cm ast.CommentMap) []*ast.
 }
 
 func getStructType(pass *analysis.Pass, lit *ast.CompositeLit) (*types.Struct, *TypeInfo, bool) {
-	switch typ := pass.TypesInfo.TypeOf(lit).(type) {
+	switch typ := types.Unalias(pass.TypesInfo.TypeOf(lit)).(type) {
 	case *types.Named: // named type
 		if structTyp, ok := typ.Underlying().(*types.Struct); ok {
 			pkg := typ.Obj().Pkg()
diff --git a/go.mod b/go.mod
index ea441072..d6fbf9de 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,16 @@
 module github.com/GaijinEntertainment/go-exhaustruct/v3
 
-go 1.21
+go 1.23.0
 
 require (
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/tools v0.24.0
+	golang.org/x/tools v0.30.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/mod v0.20.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/mod v0.23.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index b51c686f..aa9b4bc3 100644
--- a/go.sum
+++ b/go.sum
@@ -6,12 +6,12 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0=
-golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
-golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/tools v0.24.0 h1:J1shsA93PJUEVaUSaay7UXAyE8aimq3GW0pjlolpa24=
-golang.org/x/tools v0.24.0/go.mod h1:YhNqVBIfWHdzvTLs0d8LCuMhkKUgSUKldakyV7W/WDQ=
+golang.org/x/mod v0.23.0 h1:Zb7khfcRGKk+kqfxFaP5tZqCnDZMjC5VtUBs87Hr6QM=
+golang.org/x/mod v0.23.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/tools v0.30.0 h1:BgcpHewrV5AUp2G9MebG4XPFI1E2W41zU1SaqVA9vJY=
+golang.org/x/tools v0.30.0/go.mod h1:c347cR/OJfw5TI+GfX7RUPNMdDRRbjvYTS0jPyvsVtY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=