diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 2eba095..459a268 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -26,7 +26,7 @@ env:
 jobs:
   lint:
     name: Format and clippy
-    runs-on: ubuntu-latest
+    runs-on: linux-arm64
     env:
       CARGO_TARGET_DIR: /opt/hostedtoolcache/cargo-target/guara-lint
     steps:
@@ -45,7 +45,7 @@ jobs:
   # Linux-only runner (ARM64).
   test:
     name: Tests (Linux)
-    runs-on: ubuntu-latest
+    runs-on: linux-arm64
     env:
       CARGO_TARGET_DIR: /opt/hostedtoolcache/cargo-target/guara-test
     steps:
@@ -78,7 +78,7 @@ jobs:
 
   audit:
     name: Dependency audit
-    runs-on: ubuntu-latest
+    runs-on: linux-arm64
     steps:
       - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
@@ -92,7 +92,7 @@ jobs:
 
   gui:
     name: Check desktop app (Linux)
-    runs-on: ubuntu-latest
+    runs-on: linux-arm64
     env:
       CARGO_TARGET_DIR: /opt/hostedtoolcache/cargo-target/guara-gui
     steps: