diff --git a/test/ci/spack-boost187.yaml b/test/ci/spack-boost187.yaml
index fd82809f..00f7f778 100644
--- a/test/ci/spack-boost187.yaml
+++ b/test/ci/spack-boost187.yaml
@@ -6,6 +6,10 @@ spack:
     - ninja
     - "cmake@3.15:"
 
+  packages:
+    all:
+      target: [x86_64_v3]
+
   config:
     install_tree:
       root: /opt/spack
diff --git a/test/ci/spack-latest.yaml b/test/ci/spack-latest.yaml
index c7eac8c7..3105a107 100644
--- a/test/ci/spack-latest.yaml
+++ b/test/ci/spack-latest.yaml
@@ -6,6 +6,10 @@ spack:
     - ninja
     - "cmake@3.15:"
 
+  packages:
+    all:
+      target: [x86_64_v3]
+
   config:
     install_tree:
       root: /opt/spack