diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e2d075d7..d5a1037a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -128,9 +128,19 @@ jobs:
           flags: unit,go-${{ matrix.go }}
           token: ${{ secrets.CODECOV_TOKEN }}
 
-  test-freebsd-amd64:
+  test-bsd-amd64:
     runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - freebsd
+          - openbsd
     steps:
+      -
+        name: Prepare
+        run: |
+          echo "VAGRANT_FILE=hack/Vagrantfile.${{ matrix.os }}" >> $GITHUB_ENV
       -
         name: Checkout
         uses: actions/checkout@v4
@@ -139,9 +149,9 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.vagrant.d/boxes
-          key: ${{ runner.os }}-vagrant-${{ hashFiles('hack/Vagrantfile.freebsd') }}
+          key: ${{ runner.os }}-vagrant-${{ matrix.os }}-${{ hashFiles(env.VAGRANT_FILE) }}
           restore-keys: |
-            ${{ runner.os }}-vagrant-
+            ${{ runner.os }}-vagrant-${{ matrix.os }}-
       -
         name: Install vagrant
         run: |
@@ -155,7 +165,7 @@ jobs:
       -
         name: Set up vagrant
         run: |
-          ln -sf hack/Vagrantfile.freebsd Vagrantfile
+          ln -sf ${{ env.VAGRANT_FILE }} Vagrantfile
           vagrant up --no-tty
       -
         name: Test
@@ -172,5 +182,5 @@ jobs:
         uses: codecov/codecov-action@v4
         with:
           file: ./coverage.txt
-          flags: unit,freebsd
+          flags: unit,${{ matrix.os }}
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/docker-bake.hcl b/docker-bake.hcl
index a18986bc..fe195db2 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -87,5 +87,20 @@ target "shfmt" {
 
 target "cross" {
   inherits = ["build"]
-  platforms = ["linux/amd64", "linux/386", "linux/arm64", "linux/arm", "linux/ppc64le", "linux/s390x", "darwin/amd64", "darwin/arm64", "windows/amd64", "windows/arm64", "freebsd/amd64", "freebsd/arm64"]
+  platforms = [
+    "linux/amd64",
+    "linux/386",
+    "linux/arm64",
+    "linux/arm",
+    "linux/ppc64le",
+    "linux/s390x",
+    "darwin/amd64",
+    "darwin/arm64",
+    "windows/amd64",
+    "windows/arm64",
+    "freebsd/amd64",
+    "freebsd/arm64",
+    "openbsd/amd64",
+    "openbsd/arm64"
+  ]
 }
diff --git a/hack/Vagrantfile.freebsd b/hack/Vagrantfile.freebsd
index 2d81a719..5a16f248 100644
--- a/hack/Vagrantfile.freebsd
+++ b/hack/Vagrantfile.freebsd
@@ -10,8 +10,8 @@ Vagrant.configure("2") do |config|
   config.vm.provision "init", type: "shell", run: "once" do |sh|
     sh.inline = <<~SHELL
       pkg bootstrap
-      pkg install -y go121
-      ln -s /usr/local/bin/go121 /usr/local/bin/go
+      pkg install -y go123
+      ln -s /usr/local/bin/go123 /usr/local/bin/go
     SHELL
   end
 end
diff --git a/hack/Vagrantfile.openbsd b/hack/Vagrantfile.openbsd
new file mode 100644
index 00000000..e69a424e
--- /dev/null
+++ b/hack/Vagrantfile.openbsd
@@ -0,0 +1,17 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+Vagrant.configure("2") do |config|
+  config.vm.box = "generic/openbsd7"
+  config.vm.boot_timeout = 900
+  config.vm.synced_folder ".", "/vagrant", type: "rsync"
+  config.ssh.keep_alive = true
+
+  config.vm.provision "init", type: "shell", run: "once" do |sh|
+    sh.inline = <<~SHELL
+      ftp https://go.dev/dl/go1.23.2.openbsd-amd64.tar.gz
+      tar -C /usr/local -xzf go1.23.2.openbsd-amd64.tar.gz
+      ln -s /usr/local/go/bin/go /usr/local/bin/go
+    SHELL
+  end
+end