diff --git a/.github/workflows/ibmq_tests.yml b/.github/workflows/ibmq_tests.yml
index e457a6644..a98ce60c5 100644
--- a/.github/workflows/ibmq_tests.yml
+++ b/.github/workflows/ibmq_tests.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r requirements-ci.txt
           pip install wheel pytest pytest-cov pytest-mock flaky --upgrade
 
       - name: Install Plugin
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bf318e21f..2cd16d9ae 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r requirements-ci.txt
           pip install wheel pytest pytest-cov pytest-mock flaky --upgrade
 
       - name: Install Plugin
@@ -68,7 +68,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r requirements-ci.txt
           pip install wheel pytest pytest-cov pytest-mock flaky --upgrade
 
       - name: Install Plugin
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64a3b4bb4..22062eea9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@
 
 ### Improvements
 
+* Improvement of the different `requirements.txt` and `requirements-ci.txt` files.
+[(#212)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/212)
+
 ### Documentation
 
 * Use the centralized [Xanadu Sphinx Theme](https://github.com/XanaduAI/xanadu-sphinx-theme)
diff --git a/doc/requirements.txt b/doc/requirements.txt
index bc10711d4..e69614ce6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,14 +1,14 @@
+dc-qiskit-algorithms==0.0.13
 docutils==0.16
-mthree
-sphinxcontrib-bibtex
-ipykernel
-nbsphinx
-pygments-github-lexers
-pybind11
-qiskit
-pygments==2.7.4
-git+https://github.com/XanaduAI/pennylane.git#egg=pennylane
-dc-qiskit-algorithms
-sphinx-automodapi
+ipykernel==6.13.0
 jinja2==3.0.3
-xanadu-sphinx-theme==0.1.0
+mthree==0.22.0
+nbsphinx==0.8.8
+git+https://github.com/XanaduAI/pennylane.git#egg=pennylane
+pybind11==2.9.2
+pygments==2.7.4
+pygments-github-lexers==0.0.5
+qiskit==0.36.0
+sphinxcontrib-bibtex==2.4.2
+sphinx-automodapi==0.14.1
+xanadu-sphinx-theme==0.1.0
\ No newline at end of file
diff --git a/requirements-ci.txt b/requirements-ci.txt
new file mode 100644
index 000000000..c283a687a
--- /dev/null
+++ b/requirements-ci.txt
@@ -0,0 +1,5 @@
+qiskit
+mthree
+pennylane
+numpy
+sympy
diff --git a/requirements.txt b/requirements.txt
index 7305f2240..3d746ed66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,45 @@
-qiskit>=0.32
-mthree>=0.17.2
-pennylane>=0.22
-numpy
-sympy
-networkx>=2.2;python_version>'3.5'
-networkx>=2.2,<2.4;python_version=='3.5'
-flaky
+appdirs==1.4.4
+autograd==1.4
+autoray==0.2.5
+cachetools==5.0.0
+certifi==2021.10.8
+cffi==1.15.0
+charset-normalizer==2.0.12
+cryptography==36.0.2
+Cython==0.29.28
+dill==0.3.4
+future==0.18.2
+idna==3.3
+mpmath==1.2.1
+mthree==0.22.0
+networkx==2.8
+ninja==1.10.2.3
+ntlm-auth==1.5.0
+numpy==1.22.3
+orjson==3.6.8
+pbr==5.8.1
+PennyLane==0.22.2
+PennyLane-Lightning==0.22.1
+ply==3.11
+psutil==5.9.0
+pycparser==2.21
+python-constraint==1.4.0
+python-dateutil==2.8.2
+qiskit==0.34.0
+qiskit-aer==0.10.1
+qiskit-ibmq-provider==0.18.3
+qiskit-ignis==0.7.0
+qiskit-terra==0.19.1
+requests==2.27.1
+requests-ntlm==1.1.0
+retworkx==0.11.0
+scipy==1.8.0
+semantic-version==2.6.0
+six==1.16.0
+stevedore==3.5.0
+symengine==0.9.2
+sympy==1.10.1
+toml==0.10.2
+tweedledum==1.1.1
+urllib3==1.26.9
+websocket-client==1.3.2
\ No newline at end of file