diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6acf52d..93d9850 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: stable
+          go-version: 1.27.1
       - run: go version
       - run: go vet ./...
       - run: go build ./...
@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: stable
+          go-version: 1.27.1
       - run: go env GOARCH
       - name: Regenerate committed assembly and check it is current
         run: |
@@ -123,7 +123,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: stable
+          go-version: 1.27.1
       - run: sudo apt-get update && sudo apt-get install -y qemu-user-static
       - name: Regenerate committed assembly and check it is current
         if: matrix.goarch == 'ppc64le' || matrix.goarch == 'loong64'
@@ -147,7 +147,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: stable
+          go-version: 1.27.1
       - name: Vet + test (GOARCH=386)
         run: |
           GOARCH=386 go vet ./...
@@ -164,7 +164,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: stable
+          go-version: 1.27.1
       - name: go test -c (go vet on android/ios) for each go tool dist list pair
         run: |
           fail=0
diff --git a/go.mod b/go.mod
index 9578066..e521f5f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/go-ndarray/ndarray
 
-go 1.26.6
+go 1.27.1
diff --git a/internal/kernels/asmgen/go.mod b/internal/kernels/asmgen/go.mod
index 5ff3cf2..a5ea7c9 100644
--- a/internal/kernels/asmgen/go.mod
+++ b/internal/kernels/asmgen/go.mod
@@ -4,6 +4,6 @@
 // go-asmgen to (re)produce the committed .s files via `go generate`.
 module github.com/go-ndarray/ndarray/internal/kernels/asmgen
 
-go 1.26.6
+go 1.27.1
 
 require github.com/go-asmgen/asmgen v0.14.0