diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index 5e9191c..fb4c21e 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
-          go-version-file: 'go.mod'
+          go-version-file: '.go-version'
 
       - name: Install mise and all workspace tools
         uses: jdx/mise-action@5228313ee0372e111a38da051671ca30fc5a96db # v3.6.3
@@ -56,7 +56,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
-          go-version-file: 'go.mod'
+          go-version-file: '.go-version'
 
       - name: Install mise and all workspace tools
         uses: jdx/mise-action@5228313ee0372e111a38da051671ca30fc5a96db # v3.6.3
@@ -101,7 +101,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
-          go-version-file: 'go.mod'
+          go-version-file: '.go-version'
 
       - name: Build binaries and Docker image with GoReleaser
         uses: goreleaser/goreleaser-action@ec59f474b9834571250b370d4735c50f8e2d1e29 # v7.0.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5133fc8..8ed7357 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
-          go-version-file: 'go.mod'
+          go-version-file: '.go-version'
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
diff --git a/.go-version b/.go-version
index f1968aa..dd43a14 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.25.7
+1.26.1
diff --git a/go.mod b/go.mod
index 82e3b24..4eee013 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/patrickhoefler/dockerfilegraph
 
-go 1.25.7
+go 1.26
+
+toolchain go1.26.1
 
 require (
 	github.com/aquilax/truncate v1.0.1