diff --git a/ci/environment-3.10.yml b/ci/environment-3.10.yml
index 70aaf291..ef1423a0 100644
--- a/ci/environment-3.10.yml
+++ b/ci/environment-3.10.yml
@@ -35,4 +35,4 @@ dependencies:
   - pytest-timeout
   - pip:
       - git+https://github.com/dask/dask.git@main
-      - git+https://github.com/dask/distributed@main
+      - git+https://github.com/dask/distributed.git@refs/pull/9121/head
diff --git a/ci/environment-3.11.yml b/ci/environment-3.11.yml
index 8c4147de..47ddd95d 100644
--- a/ci/environment-3.11.yml
+++ b/ci/environment-3.11.yml
@@ -35,4 +35,4 @@ dependencies:
   - pytest-timeout
   - pip:
       - git+https://github.com/dask/dask.git@main
-      - git+https://github.com/dask/distributed@main
+      - git+https://github.com/dask/distributed.git@refs/pull/9121/head
diff --git a/ci/environment-3.12.yml b/ci/environment-3.12.yml
index b764807b..58f0b979 100644
--- a/ci/environment-3.12.yml
+++ b/ci/environment-3.12.yml
@@ -35,4 +35,4 @@ dependencies:
   - pytest-timeout
   - pip:
       - git+https://github.com/dask/dask.git@main
-      - git+https://github.com/dask/distributed@main
+      - git+https://github.com/dask/distributed.git@refs/pull/9121/head