diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..6313b56
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6f3e87d..51eeea1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,9 +7,7 @@ on:
     branches: [ main ]
 
 env:
-  # Go version we currently use to build containerd across all CI.
-  # Note: don't forget to update `Binaries` step, as it contains the matrix of all supported Go versions.
-  GO_VERSION: "1.22.8"
+  GOTOOLCHAIN: local
 
 permissions: # added using https://github.com/step-security/secure-workflows
   contents: read
@@ -29,18 +27,18 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
       - uses: actions/setup-go@v7
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: stable
           cache: false # see actions/setup-go#368
 
       - uses: actions/checkout@v6
       - uses: golangci/golangci-lint-action@v9
         with:
-          version: v2.1.6
+          version: v2.12
           skip-cache: true
           args: --timeout=5m
 
@@ -56,7 +54,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v7
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: stable
           cache: false # see actions/setup-go#368
 
       - uses: actions/checkout@v6
@@ -70,10 +68,17 @@ jobs:
           repo-access-token: ${{ secrets.GITHUB_TOKEN }}
 
   tests:
-    name: Tests
+    name: Tests / ${{ matrix.go-version || 'go.mod' }}
     runs-on: ubuntu-latest
     timeout-minutes: 5
 
+    strategy:
+      matrix:
+        go-version:
+          - "" # leave empty to use go-version-file (go.mod)
+          - oldstable
+          - stable
+
     steps:
       - uses: actions/checkout@v6
         with:
@@ -81,7 +86,8 @@ jobs:
 
       - uses: actions/setup-go@v7
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: ${{ matrix.go-version }}
+          go-version-file: src/github.com/containerd/log/go.mod # used when go-version is empty
 
       - name: Set env
         shell: bash
diff --git a/go.mod b/go.mod
index 9915b29..5d33950 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/containerd/log
 
-go 1.20
+go 1.21
 
 require github.com/sirupsen/logrus v1.9.4
 
diff --git a/go.sum b/go.sum
index adcf7b5..9e91db8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,12 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.9.4 h1:TsZE7l11zFCLZnZ+teH4Umoq5BhEIfIzfRDZ1Uzql2w=
 github.com/sirupsen/logrus v1.9.4/go.mod h1:ftWc9WdOfJ0a92nsE2jF5u5ZwH8Bv2zdeOC42RjbV2g=
 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/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
 golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=