diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 3d214c8..53c9fb8 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,5 @@
+0.14.3:
+    - Update PyYAML Security vulnerability.
 0.14.2:
     - Constrain Urllib3 to 1.24.3.
 0.14.1:
diff --git a/constraints.txt b/constraints.txt
index b2deb5e..6f354a9 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -1,5 +1,6 @@
-pyyaml==3.12
+pyyaml>=4.2b1
 requests==2.23.0
 cloudify-utilities-plugins-sdk>=0.0.30
 mock>=1.0
 urllib3==1.24.3
+networkx==1.9.1
diff --git a/plugin.yaml b/plugin.yaml
index 0b682f9..3cfc17b 100644
--- a/plugin.yaml
+++ b/plugin.yaml
@@ -2,7 +2,7 @@ plugins:
   tf:
     executor: central_deployment_agent
     package_name: cloudify-terraform-plugin
-    package_version: '0.14.2'
+    package_version: '0.14.3'
 
 dsl_definitions:
 
diff --git a/setup.py b/setup.py
index 6a0daea..4553a60 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@ def get_version(rel_file='plugin.yaml'):
     license='LICENSE',
     install_requires=[
         "cloudify-common>=4.5.5",
-        "pyyaml==3.12",
+        "pyyaml>=4.2b1",
         "requests>=2.7.0,<3.0",
         "cloudify-utilities-plugins-sdk>=0.0.31",  # Shared Resource Downloader
     ],
diff --git a/test-requirements.txt b/test-requirements.txt
index afdf28d..96f0510 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,5 @@ mock>=1.0
 flake8
 
 # For integration tests
-git+https://github.com/cloudify-cosmo/cloudify-common@master#egg=cloudify-common[dispatcher]==master
-git+https://github.com/cloudify-cosmo/cloudify-cli@master#egg=cloudify-cli==master
 pytest==4.6.3
-pyyaml==3.12
+pyyaml>=4.2b1