diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 542d1476..e9e8286b 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Set up Julia
         uses: julia-actions/setup-julia@v2
         with:
-          version: '1'
+          version: '1.11'  # parser broken on 1.12
       - name: Check out repository
         uses: actions/checkout@v6
       - name: Cache artifacts
diff --git a/.github/workflows/test-master.yml b/.github/workflows/test-master.yml
index c0b6f9e6..1d4860f3 100644
--- a/.github/workflows/test-master.yml
+++ b/.github/workflows/test-master.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1'
+          - '1.11'  # parser broken on 1.12
         os:
           - ubuntu-latest
         arch:
diff --git a/.github/workflows/test-pull-request.yml b/.github/workflows/test-pull-request.yml
index 2fb92080..11ce2814 100644
--- a/.github/workflows/test-pull-request.yml
+++ b/.github/workflows/test-pull-request.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1'
+          - '1.11'  # parser broken on 1.12
         os:
           - ubuntu-latest
           - windows-latest