diff --git a/.github/workflows/develop-base.yaml b/.github/workflows/develop-base.yaml
index edc1804b..f44d23fd 100644
--- a/.github/workflows/develop-base.yaml
+++ b/.github/workflows/develop-base.yaml
@@ -42,7 +42,7 @@ jobs:
             ghcr.io/${{ secrets.DOCKERHUB_USERNAME }}/machinaris-base-noble:develop
 
   docker-jammy:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       -
         name: Checkout
diff --git a/.github/workflows/main-base.yaml b/.github/workflows/main-base.yaml
index d95679f7..b19a0a6d 100644
--- a/.github/workflows/main-base.yaml
+++ b/.github/workflows/main-base.yaml
@@ -42,7 +42,7 @@ jobs:
             ghcr.io/${{ secrets.DOCKERHUB_USERNAME }}/machinaris-base-noble:latest
 
   docker-jammy:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       -
         name: Checkout
@@ -72,7 +72,7 @@ jobs:
         with:
           file: docker/dockerfile-jammy.base
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           provenance: false
           push: true
           tags: |
diff --git a/.github/workflows/main-blockchains.yaml b/.github/workflows/main-blockchains.yaml
index 9d717f09..8dbfe674 100644
--- a/.github/workflows/main-blockchains.yaml
+++ b/.github/workflows/main-blockchains.yaml
@@ -38,7 +38,7 @@ jobs:
         with:
           file: docker/dockerfile
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           provenance: false
           push: true
           build-args: |
diff --git a/.github/workflows/test-base.yaml b/.github/workflows/test-base.yaml
index 0a323f0d..0b3ba878 100644
--- a/.github/workflows/test-base.yaml
+++ b/.github/workflows/test-base.yaml
@@ -42,7 +42,7 @@ jobs:
             ghcr.io/${{ secrets.DOCKERHUB_USERNAME }}/machinaris-base-noble:test
 
   docker-jammy:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       -
         name: Checkout
@@ -72,7 +72,7 @@ jobs:
         with:
           file: docker/dockerfile-jammy.base
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           provenance: false
           push: true
           tags: |
diff --git a/.github/workflows/test-blockchains.yaml b/.github/workflows/test-blockchains.yaml
index 54770aa9..a0cac58e 100644
--- a/.github/workflows/test-blockchains.yaml
+++ b/.github/workflows/test-blockchains.yaml
@@ -37,7 +37,7 @@ jobs:
         with:
           file: docker/dockerfile
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           provenance: false
           push: true
           build-args: |