diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b8412a..f7198e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ env:
 jobs:
   lint:
     name: fmt + clippy
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, tristram]
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust toolchain
@@ -28,7 +28,7 @@ jobs:
 
   test:
     name: unit tests
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, tristram]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
@@ -53,7 +53,7 @@ jobs:
 
   msrv:
     name: MSRV (1.85)
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, tristram]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@1.85.0