diff --git a/.dep-versions b/.dep-versions
index 9d8acd920b..fab13a5c3a 100644
--- a/.dep-versions
+++ b/.dep-versions
@@ -5,5 +5,3 @@ llvm=cd9a641613eddf25d4b25eaa96b2c393d401d42c
 enzyme=1beb98b51442d50652eaa3ffb9574f4720d611f1
 
 # Always remove custom PL/LQ versions before release.
-pennylane=f638bc53a09724a83d9d58964bf37bfd438e6aa3
-lightning=0.35.0-dev21
diff --git a/.github/workflows/build-wheel-linux-x86_64.yaml b/.github/workflows/build-wheel-linux-x86_64.yaml
index 7cdb77a622..69e9d5d015 100644
--- a/.github/workflows/build-wheel-linux-x86_64.yaml
+++ b/.github/workflows/build-wheel-linux-x86_64.yaml
@@ -374,7 +374,7 @@ jobs:
 
     - name: Install Python dependencies
       run: |
-        python${{ matrix.python_version }} -m pip install pytest<8.1.0 pytest-xdist
+        python${{ matrix.python_version }} -m pip install 'pytest<8.1.0' pytest-xdist
 
     - name: Install PennyLane Plugins
       run: |
@@ -383,7 +383,13 @@ jobs:
 
     - name: Install Catalyst
       run: |
-        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple
+        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple --no-deps # Do not install pennylane-0.35.0
+        python${{ matrix.python_version }} -m pip install git+https://github.com/pennylaneAI/pennylane@c91a1542ac9ce074acac7fee01571633cca79d5b # Install PL rc
+        python${{ matrix.python_version }} -m pip install 'pennylane-lightning>=0.35.0'
+        python${{ matrix.python_version }} -m pip install 'jax==0.4.23' 'jaxlib==0.4.23'
+        python${{ matrix.python_version }} -m pip install 'tomlkit;python_version<"3.11"'
+        python${{ matrix.python_version }} -m pip install scipy
+        python${{ matrix.python_version }} -m pip install 'diastatic-malt>=2.15.1'
 
     - name: Run Python Pytest Tests
       run: |
diff --git a/.github/workflows/build-wheel-macos-arm64.yaml b/.github/workflows/build-wheel-macos-arm64.yaml
index c77819c38e..6ebd702714 100644
--- a/.github/workflows/build-wheel-macos-arm64.yaml
+++ b/.github/workflows/build-wheel-macos-arm64.yaml
@@ -383,7 +383,7 @@ jobs:
 
     - name: Install Python dependencies
       run: |
-        python${{ matrix.python_version }} -m pip install pytest<8.1.0 pytest-xdist
+        python${{ matrix.python_version }} -m pip install 'pytest<8.1.0' pytest-xdist
 
     - name: Install PennyLane Plugins
       run: |
@@ -392,7 +392,13 @@ jobs:
 
     - name: Install Catalyst
       run: |
-        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple
+        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple --no-deps # Do not install pennylane-0.35.0
+        python${{ matrix.python_version }} -m pip install git+https://github.com/pennylaneAI/pennylane@c91a1542ac9ce074acac7fee01571633cca79d5b # Install PL rc
+        python${{ matrix.python_version }} -m pip install 'pennylane-lightning>=0.35.0'
+        python${{ matrix.python_version }} -m pip install 'jax==0.4.23' 'jaxlib==0.4.23'
+        python${{ matrix.python_version }} -m pip install 'tomlkit;python_version<"3.11"'
+        python${{ matrix.python_version }} -m pip install scipy
+        python${{ matrix.python_version }} -m pip install 'diastatic-malt>=2.15.1'
 
     - name: Run Python Pytest Tests
       run: |
diff --git a/.github/workflows/build-wheel-macos-x86_64.yaml b/.github/workflows/build-wheel-macos-x86_64.yaml
index 27ee561e24..65304c2a00 100644
--- a/.github/workflows/build-wheel-macos-x86_64.yaml
+++ b/.github/workflows/build-wheel-macos-x86_64.yaml
@@ -353,7 +353,7 @@ jobs:
 
     - name: Install Python dependencies
       run: |
-        python${{ matrix.python_version }} -m pip install pytest<8.1.0 pytest-xdist
+        python${{ matrix.python_version }} -m pip install 'pytest<8.1.0' pytest-xdist
 
     - name: Install PennyLane Plugins
       run: |
@@ -362,7 +362,13 @@ jobs:
 
     - name: Install Catalyst
       run: |
-        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple
+        python${{ matrix.python_version }} -m pip install $GITHUB_WORKSPACE/dist/*.whl --extra-index-url https://test.pypi.org/simple --no-deps # Do not install pennylane-0.35.0
+        python${{ matrix.python_version }} -m pip install git+https://github.com/pennylaneAI/pennylane@c91a1542ac9ce074acac7fee01571633cca79d5b # Install PL rc
+        python${{ matrix.python_version }} -m pip install 'pennylane-lightning>=0.35.0'
+        python${{ matrix.python_version }} -m pip install 'jax==0.4.23' 'jaxlib==0.4.23'
+        python${{ matrix.python_version }} -m pip install 'tomlkit;python_version<"3.11"'
+        python${{ matrix.python_version }} -m pip install scipy
+        python${{ matrix.python_version }} -m pip install 'diastatic-malt>=2.15.1'
 
     - name: Run Python Pytest Tests
       run: |