diff --git a/.github/workflows/antsibull-docs.yml b/.github/workflows/antsibull-docs.yml
index 437ed38..99aeb96 100644
--- a/.github/workflows/antsibull-docs.yml
+++ b/.github/workflows/antsibull-docs.yml
@@ -40,8 +40,9 @@ jobs:
       - name: Check out dependent project antsibull-fileutils
         uses: actions/checkout@v4
         with:
-          repository: ansible-community/antsibull-fileutils
+          repository: felixfontein/antsibull-fileutils
           path: antsibull-fileutils
+          ref: asyncio
 
       # nb: this is the first version of antsibull-docs that declares support
       # for antsibull-core v3.
diff --git a/.github/workflows/antsibull.yml b/.github/workflows/antsibull.yml
index fc774e2..5724643 100644
--- a/.github/workflows/antsibull.yml
+++ b/.github/workflows/antsibull.yml
@@ -33,8 +33,9 @@ jobs:
       - name: Check out dependent project antsibull-fileutils
         uses: actions/checkout@v4
         with:
-          repository: ansible-community/antsibull-fileutils
+          repository: felixfontein/antsibull-fileutils
           path: antsibull-fileutils
+          ref: asyncio
 
       # antsibull 0.61.0 depends on antsibull-changelog >= 0.24.0 as well, so install 0.24.0 of that
       - name: Check out antsibull-changelog 0.24.0
diff --git a/.github/workflows/nox.yml b/.github/workflows/nox.yml
index d7923c8..ff427d9 100644
--- a/.github/workflows/nox.yml
+++ b/.github/workflows/nox.yml
@@ -50,8 +50,9 @@ jobs:
       - name: Check out dependent project antsibull-fileutils
         uses: actions/checkout@v4
         with:
-          repository: ansible-community/antsibull-fileutils
+          repository: felixfontein/antsibull-fileutils
           path: antsibull-fileutils
+          ref: asyncio
       - name: Install extra packages
         if: "matrix.packages != ''"
         run: |