diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6f335ba8e7..0cc443dc09 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,4 +20,4 @@ custatevec-cu12; sys_platform == "linux"
 cutensornet-cu12; sys_platform == "linux"
 pylint==2.7.4
 scipy-openblas32>=0.3.26
-git+https://github.com/PennyLaneAI/pennylane.git@v0.40.0
+git+https://github.com/PennyLaneAI/pennylane.git@v0.40.0-rc0
diff --git a/requirements-tests.txt b/requirements-tests.txt
index 31637e76c2..ba6e723b8e 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -4,4 +4,4 @@ pytest-cov>=3.0.0
 pytest-mock>=3.7.0
 pytest-xdist>=2.5.0
 flaky>=3.7.0
-git+https://github.com/PennyLaneAI/pennylane.git@v0.40.0
+git+https://github.com/PennyLaneAI/pennylane.git@v0.40.0-rc0