diff --git a/.circleci/config.yml b/.circleci/config.yml
index c6bebc5..49fabb6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 
 images:
   python: &python
-    - image: circleci/buildpack-deps:stretch-browsers
+    - image: circleci/buildpack-deps
 
 machines:
   win-python: &win-python
@@ -62,10 +62,7 @@ utils:
       conda install -y virtualenv
       pip install -U pip setuptools wheel
       conda install -y cython
-      conda install -c anaconda graphviz=2.50.0 # to be able to import pygraphviz
       pip install -r requirements.txt -U
-      #pip install --global-option=build_ext --global-option="-IC:\Program Files\Graphviz\include" --global-option="-LC:\Program Files\Graphviz\lib" pygraphviz
-      pip install --global-option=build_ext --global-option="-IC:\tools\miniconda3\pkgs\graphviz-2.50.0-hdb8b0d4_0\Library\include" --global-option="-LC:\tools\miniconda3\pkgs\graphviz-2.50.0-hdb8b0d4_0\Library\lib" pygraphviz
       pip install -r test_requirements.txt -U
       pip install ".[pytorch]"
 
diff --git a/RELEASE.md b/RELEASE.md
index 7547ff0..5ff6c00 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,4 +1,7 @@
 # Upcoming release
+# Release 0.12.1
+* Unlocking cap on following requirements: networkx, pathos, torch and wrapt
+
 # Release 0.12.0
 * Switch to Pyvis for graph visualisation and remove dependency on Graphviz
 
diff --git a/causalnex/__init__.py b/causalnex/__init__.py
index 83d986d..18cf8f8 100644
--- a/causalnex/__init__.py
+++ b/causalnex/__init__.py
@@ -30,6 +30,6 @@
 causalnex toolkit for causal reasoning (Bayesian Networks / Inference)
 """
 
-__version__ = "0.12.0"
+__version__ = "0.12.1"
 
 __all__ = ["structure", "discretiser", "evaluation", "inference", "network", "plots"]
diff --git a/devel-cpu.Dockerfile b/devel-cpu.Dockerfile
index d92043b..25a749d 100644
--- a/devel-cpu.Dockerfile
+++ b/devel-cpu.Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:20.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update -y && apt install -y python3.8 python3-pip libgraphviz-dev graphviz
+RUN apt-get update -y && apt install -y python3.8 python3-pip
 RUN ln -s $(which python3) /usr/local/bin/python
 #COPY requirements.txt test_requirements.txt tmp/
 COPY . /tmp
diff --git a/devel-gpu.Dockerfile b/devel-gpu.Dockerfile
index d4392c2..32cc996 100644
--- a/devel-gpu.Dockerfile
+++ b/devel-gpu.Dockerfile
@@ -2,7 +2,7 @@ FROM nvidia/cuda:11.7.0-base-ubuntu20.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update -y && apt install -y python3.8 python3-pip libgraphviz-dev graphviz
+RUN apt-get update -y && apt install -y python3.8 python3-pip
 RUN ln -s $(which python3) /usr/local/bin/python
 # Copy all files to container as intalling .[pytorch] requires setup.py, which requires other files
 COPY . /tmp
diff --git a/doc_requirements.txt b/doc_requirements.txt
index 98e7075..d87cac7 100644
--- a/doc_requirements.txt
+++ b/doc_requirements.txt
@@ -11,10 +11,10 @@ nbstripout==0.3.3
 patchy>=1.5, <2.0
 pydot>=1.4, <2.0
 pygments>=2.6.1, <3.0
-pygraphviz>=1.5, <2.0
 recommonmark>=0.5.0, <1.0
 sphinx-autodoc-typehints>=1.6.0, <2.0
 sphinx-markdown-tables>=0.0.15, <1.0
 sphinx>=3.0.4, <4.0
 sphinx_copybutton>=0.2.5, <1.0
 sphinx_rtd_theme>=0.4.3, <1.0
+tornado>=6.3.2 # not directly required, pinned by Snyk to avoid a vulnerability
diff --git a/requirements.txt b/requirements.txt
index 967abea..cc0d597 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 ipython>=8.10.0 # Required by Snyk
-networkx~=2.5
+networkx>=2.5
 numpy>=1.14.2, <1.24
 pandas>=1.0, <2.0
-pathos>=0.2.7, <0.3.0
+pathos>=0.2.7
 pgmpy>=0.1.14, <0.1.20
 pyvis>=0.3.2
 scikit-learn>=0.22.0, !=0.22.2.post1, !=0.24.1; python_version < '3.9'
@@ -10,6 +10,5 @@ scikit-learn>=0.24.0, !=0.24.1; python_version == '3.9'
 scikit-learn>=0.25.0; python_version == '3.10'
 scipy>=1.7
 setuptools>=65.5.1
-torch>=1.7, <2.0
+torch>=1.7
 wheel>=0.38.0
-wrapt>=1.11.0, <1.13
diff --git a/tests/test_plotting.py b/tests/test_plotting.py
index adca13d..0b235ac 100644
--- a/tests/test_plotting.py
+++ b/tests/test_plotting.py
@@ -49,7 +49,7 @@ def test_all_nodes_exist(self):
         assert all(node in a_graph.get_nodes() for node in ["a", "b", "c"])
 
     def test_all_edges_exist(self):
-        """All edges in original graph should exist in pygraphviz graph"""
+        """All edges in original graph should exist in graph"""
         edges = [(str(a), str(a + b + 1)) for a in range(2) for b in range(3)]
         sm = StructureModel(edges)
         a_graph = plot_structure(sm)