diff --git a/.github/workflows/nix.yaml b/.github/workflows/nix.yaml
index add605c9..414d719b 100644
--- a/.github/workflows/nix.yaml
+++ b/.github/workflows/nix.yaml
@@ -15,7 +15,7 @@ jobs:
   i686-linux---default:
     name: Build i686-linux.default
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs:
       - i686-linux---rosenpass
     steps:
@@ -32,7 +32,7 @@ jobs:
   i686-linux---rosenpass:
     name: Build i686-linux.rosenpass
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs: []
     steps:
       - uses: actions/checkout@v5
@@ -48,7 +48,7 @@ jobs:
   i686-linux---rosenpass-oci-image:
     name: Build i686-linux.rosenpass-oci-image
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs:
       - i686-linux---rosenpass
     steps:
@@ -67,7 +67,7 @@ jobs:
     strategy:
       fail-fast: false
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-8-ubuntu-2204
     steps:
       - uses: actions/checkout@v5
       - uses: cachix/install-nix-action@v30
@@ -83,7 +83,7 @@ jobs:
   x86_64-linux---default:
     name: Build x86_64-linux.default
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs:
       - x86_64-linux---rosenpass
     steps:
@@ -176,7 +176,7 @@ jobs:
   x86_64-linux---rosenpass:
     name: Build x86_64-linux.rosenpass
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs: []
     steps:
       - uses: actions/checkout@v5
@@ -192,7 +192,7 @@ jobs:
   aarch64-linux---rosenpass:
     name: Build aarch64-linux.rosenpass
     runs-on:
-      - ubicloud-standard-2-arm-ubuntu-2204
+      - ubicloud-standard-4-arm-ubuntu-2204
     needs: []
     steps:
       - run: |
@@ -213,7 +213,7 @@ jobs:
   aarch64-linux---rp:
     name: Build aarch64-linux.rp
     runs-on:
-      - ubicloud-standard-2-arm-ubuntu-2204
+      - ubicloud-standard-4-arm-ubuntu-2204
     needs: []
     steps:
       - run: |
@@ -273,7 +273,7 @@ jobs:
   x86_64-linux---rosenpass-static:
     name: Build x86_64-linux.rosenpass-static
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs: []
     steps:
       - uses: actions/checkout@v5
@@ -289,7 +289,7 @@ jobs:
   x86_64-linux---rp-static:
     name: Build x86_64-linux.rp-static
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-4-ubuntu-2204
     needs: []
     steps:
       - uses: actions/checkout@v5
@@ -340,7 +340,7 @@ jobs:
     strategy:
       fail-fast: false
     runs-on:
-      - ubicloud-standard-2-ubuntu-2204
+      - ubicloud-standard-8-ubuntu-2204
     steps:
       - uses: actions/checkout@v5
       - uses: cachix/install-nix-action@v30