diff --git a/.github/workflows/ci-shark-platform.yml b/.github/workflows/ci-shark-platform.yml
index 445e2e448..06a05e3cf 100644
--- a/.github/workflows/ci-shark-platform.yml
+++ b/.github/workflows/ci-shark-platform.yml
@@ -67,7 +67,7 @@ jobs:
           # Try with the latest IREE nightly releases, not what iree-turbine pins.
           # We could also pin to a known working or stable version.
           # This should eventually stabilize. Do the best we can for now.
-          pip install -f https://iree.dev/pip-release-links.html --upgrade \
+          pip install -f https://iree.dev/pip-release-links.html --upgrade --pre \
             iree-base-compiler \
             iree-base-runtime \
             "numpy<2.0"
diff --git a/.github/workflows/ci-sharktank.yml b/.github/workflows/ci-sharktank.yml
index 4c660e6ee..7d6a7b7f1 100644
--- a/.github/workflows/ci-sharktank.yml
+++ b/.github/workflows/ci-sharktank.yml
@@ -62,7 +62,7 @@ jobs:
           pip install --no-compile -r requirements.txt -r sharktank/requirements-tests.txt -e sharktank/
 
           # Update to the latest iree packages.
-          pip install -f https://iree.dev/pip-release-links.html --upgrade \
+          pip install -f https://iree.dev/pip-release-links.html --upgrade --pre \
             iree-base-compiler iree-base-runtime --src deps \
             -e "git+https://github.com/iree-org/iree-turbine.git#egg=iree-turbine"
 
diff --git a/.github/workflows/ci-tuner.yml b/.github/workflows/ci-tuner.yml
index cd9a48d5e..dad766d8e 100644
--- a/.github/workflows/ci-tuner.yml
+++ b/.github/workflows/ci-tuner.yml
@@ -49,7 +49,7 @@ jobs:
           pip install -r tuner/requirements-tuner.txt
           python -m pip install \
             --find-links https://iree.dev/pip-release-links.html \
-            --upgrade \
+            --upgrade --pre \
             iree-base-compiler iree-base-runtime
 
       - name: Run tuner tests
diff --git a/.github/workflows/ci_eval.yaml b/.github/workflows/ci_eval.yaml
index 7afaeb1fe..105f53ad8 100644
--- a/.github/workflows/ci_eval.yaml
+++ b/.github/workflows/ci_eval.yaml
@@ -69,7 +69,7 @@ jobs:
           # Try with the latest IREE nightly releases, not what iree-turbine pins.
           # We could also pin to a known working or stable version.
           # This should eventually stabilize. Do the best we can for now.
-          pip install -f https://iree.dev/pip-release-links.html --upgrade \
+          pip install -f https://iree.dev/pip-release-links.html --upgrade --pre \
             iree-base-compiler \
             iree-base-runtime \
             "numpy<2.0"