diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7444381b8..f02bc9237 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Show host info
       run: |
@@ -153,7 +153,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: install deps
       run: |
@@ -177,7 +177,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: lima-vm/lima-actions/setup@v1
       id: lima-actions-setup
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index ce5f09925..a694d99ff 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -17,7 +17,7 @@ jobs:
   keyring:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: check runc.keyring
       run: make validate-keyring
 
@@ -29,7 +29,7 @@ jobs:
       checks: write # to allow the action to annotate code in the PR.
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: actions/setup-go@v5
@@ -52,7 +52,7 @@ jobs:
   go-fix:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: actions/setup-go@v5
@@ -73,7 +73,7 @@ jobs:
       # Don't ignore C warnings. Note that the output of "go env CGO_CFLAGS" by default is "-g -O2", so we keep them.
       CGO_CFLAGS: -g -O2 -Werror
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: install go
         uses: actions/setup-go@v5
         with:
@@ -90,7 +90,7 @@ jobs:
   codespell:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: install deps
       # Version of codespell bundled with Ubuntu is way old, so use pip.
       run: pip install --break-system-packages codespell==v2.3.0
@@ -100,14 +100,14 @@ jobs:
   shfmt:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: shfmt
       run: make shfmt
 
   shellcheck:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: install shellcheck
         env:
           VERSION: v0.10.0
@@ -131,14 +131,14 @@ jobs:
   space-at-eol:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rm -fr vendor
       - run: if git -P grep -I -n '\s$'; then echo "^^^ extra whitespace at EOL, please fix"; exit 1; fi
 
   deps:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: install go
       uses: actions/setup-go@v5
       with:
@@ -176,9 +176,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: checkout
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
+      uses: actions/checkout@v5
     - name: install deps
       run: |
         sudo apt -qq update
@@ -188,15 +186,25 @@ jobs:
         make cfmt
         git diff --exit-code
 
+  check-go:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v5
+    - name: check Go version
+      run: |
+        GO_VER=$(awk -F= '/^ARG\s+GO_VERSION=/ {print $2; quit}' Dockerfile)
+        echo "Go version used in Dockerfile: $GO_VER"
+        echo -n "Checking if Go $GO_VER is supported ... "
+        curl -fsSL https://go.dev/dl/?mode=json | jq -e 'any(.[]; .version | startswith("go'$GO_VER'"))'
+        echo -n "Checking if Go $GO_VER is tested against ... "
+        yq -e '.jobs.test.strategy.matrix.go-version | contains(["'$GO_VER'.x"])' .github/workflows/test.yml
 
   release:
     timeout-minutes: 30
     runs-on: ubuntu-24.04
     steps:
     - name: checkout
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
+      uses: actions/checkout@v5
 
     - name: check CHANGELOG.md
       run: make verify-changelog
@@ -224,9 +232,7 @@ jobs:
   get-images:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
+    - uses: actions/checkout@v5
     - name: install bashbrew
       env:
         BASEURL: https://github.com/docker-library/bashbrew/releases/download
@@ -248,6 +254,7 @@ jobs:
 
   all-done:
     needs:
+      - check-go
       - cfmt
       - codespell
       - commit
diff --git a/Dockerfile b/Dockerfile
index 5c3b933b3..26f124ede 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.23
+ARG GO_VERSION=1.24
 ARG BATS_VERSION=v1.11.0
 ARG LIBSECCOMP_VERSION=2.5.6