diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 942eba8c..bcee9167 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -22,6 +22,10 @@ jobs:
           - windows-latest
         arch:
           - x64
+          - x86
+        exclude:
+          - os: macOS-latest
+            arch: x86
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
diff --git a/.github/workflows/TypedSyntaxCI.yml b/.github/workflows/TypedSyntaxCI.yml
index 59a351a3..165ba4d0 100644
--- a/.github/workflows/TypedSyntaxCI.yml
+++ b/.github/workflows/TypedSyntaxCI.yml
@@ -18,6 +18,7 @@ jobs:
           - ubuntu-latest
         arch:
           - x64
+          - x86
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1