diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index 2647f08..03ccc66 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -44,7 +44,7 @@ jobs:
         uses: go-task/setup-task@v2
 
       - name: Setup Blacksmith Builder
-        uses: useblacksmith/setup-docker-builder@v1
+        uses: useblacksmith/setup-docker-builder@v2
 
       # Without this, `--cache-to type=gha` below is a silent no-op: the tokens BuildKit
       # needs reach JavaScript actions and not `run:` steps. See the long note in qemu.yml.
diff --git a/.github/workflows/kernel.yml b/.github/workflows/kernel.yml
index 2a3ad7c..14d3b5c 100644
--- a/.github/workflows/kernel.yml
+++ b/.github/workflows/kernel.yml
@@ -42,7 +42,7 @@ jobs:
         uses: go-task/setup-task@v2
 
       - name: Setup Blacksmith Builder
-        uses: useblacksmith/setup-docker-builder@v1
+        uses: useblacksmith/setup-docker-builder@v2
 
       # Without this, `--cache-to type=gha` below is a silent no-op: the tokens BuildKit
       # needs reach JavaScript actions and not `run:` steps. See the long note in qemu.yml.
diff --git a/.github/workflows/qemu.yml b/.github/workflows/qemu.yml
index af7cbe2..732eae9 100644
--- a/.github/workflows/qemu.yml
+++ b/.github/workflows/qemu.yml
@@ -56,7 +56,7 @@ jobs:
           cache: true
 
       - name: Setup Blacksmith Builder
-        uses: useblacksmith/setup-docker-builder@v1
+        uses: useblacksmith/setup-docker-builder@v2
 
       # What makes `--cache-to type=gha` do anything at all.
       #
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 20bbfad..549e249 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -61,7 +61,7 @@ jobs:
         uses: go-task/setup-task@v2
 
       - name: Setup Blacksmith Builder
-        uses: useblacksmith/setup-docker-builder@v1
+        uses: useblacksmith/setup-docker-builder@v2
 
       # Without this, `--cache-to type=gha` below is a silent no-op: the tokens BuildKit
       # needs reach JavaScript actions and not `run:` steps. See the long note in qemu.yml.