diff --git a/.github/workflows/ci-nightly-cirq-test.yaml b/.github/workflows/ci-nightly-cirq-test.yaml
index 235a7bdb4..be26629ed 100644
--- a/.github/workflows/ci-nightly-cirq-test.yaml
+++ b/.github/workflows/ci-nightly-cirq-test.yaml
@@ -95,7 +95,7 @@ jobs:
         run: |
           echo 'numpy<2.0.0' > constraint.txt
           export PIP_CONSTRAINT=constraint.txt
-          pip install -U cirq --pre
+          pip install --upgrade cirq~=1.0.dev
 
       - name: Configure Bazel options
         run: |