diff --git a/.github/workflows/go_test.yml b/.github/workflows/go_test.yml
index 49e90da..f8bef5f 100644
--- a/.github/workflows/go_test.yml
+++ b/.github/workflows/go_test.yml
@@ -6,7 +6,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [ '1.25.x', '1.26.x' ]
+        go-version: [ '1.26.x', '1.27.x' ]
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 7f14f6f..2b4ca10 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -18,5 +18,5 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
         with:
-          version: v2.11.4
+          version: v2.13.2
           args: --timeout=8m
diff --git a/go.mod b/go.mod
index 6724b99..76f11af 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,10 @@
 module github.com/transparency-dev/formats
 
-go 1.25.0
+go 1.26.0
 
 require (
 	filippo.io/mldsa v0.0.0-20260215214346-43d0283efc3e
 	github.com/google/go-cmp v0.7.0
-	golang.org/x/crypto v0.55.0
+	golang.org/x/crypto v0.56.0
 	golang.org/x/mod v0.40.0
 )
diff --git a/go.sum b/go.sum
index a2ae95c..af4e712 100644
--- a/go.sum
+++ b/go.sum
@@ -2,7 +2,7 @@ filippo.io/mldsa v0.0.0-20260215214346-43d0283efc3e h1:VsUbObBMxXlc23Eb9VeeJYE4j
 filippo.io/mldsa v0.0.0-20260215214346-43d0283efc3e/go.mod h1:32qQ5yj3R24Eu03iWFWchdC3OB653wPvoepWejkefbY=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-golang.org/x/crypto v0.55.0 h1:+KWHjbgOaAQ66dh/YlkZKHlz9ZUlq61AFirAR9ntP8M=
-golang.org/x/crypto v0.55.0/go.mod h1:uq0V9dE/fzQuJtbnL+2EhWOE63vo164FY8xqEnV9xis=
+golang.org/x/crypto v0.56.0 h1:GUh5Ii4J5jtcseSMiRqr1jXCNHoxjeV9Fmekc2oLy6Y=
+golang.org/x/crypto v0.56.0/go.mod h1:OMW5y6CY9l38uPLmxU6l6pwcXp1obtLo3e6gT7gQR2I=
 golang.org/x/mod v0.40.0 h1:hUv+3cXcdRHz08UmSiOob7sadHig73uo5bkXxQ/tvUs=
 golang.org/x/mod v0.40.0/go.mod h1:0/weTWkPWGBikyTWAX3dkjVztMmBA5hM0DH6BElSupE=
diff --git a/scripts/presubmit.sh b/scripts/presubmit.sh
index 466fa80..697ca7a 100755
--- a/scripts/presubmit.sh
+++ b/scripts/presubmit.sh
@@ -106,7 +106,7 @@ main() {
       'have you installed github.com/golangci/golangci-lint?' || exit 1
 
     echo 'running golangci-lint'
-    golangci-lint run --deadline=8m
+    golangci-lint run --timeout=8m
     echo 'checking license headers'
     ./scripts/check_license.sh ${go_srcs}
   fi