diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 21d348d..a3a5c73 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -8,7 +8,10 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: archlinux:latest
+    # The runner may be arm64; Arch Linux only ships x86_64 images, so run them emulated.
+    container:
+      image: archlinux:latest
+      options: --platform linux/amd64
     steps:
       - name: Install dependencies
         run: |
diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index b9c6ed0..0ddeab8 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -10,7 +10,10 @@ permissions:
 jobs:
   release:
     runs-on: ubuntu-latest
-    container: archlinux:latest
+    # The runner may be arm64; Arch Linux only ships x86_64 images, so run them emulated.
+    container:
+      image: archlinux:latest
+      options: --platform linux/amd64
     steps:
       - name: Install dependencies
         run: |