diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f7f045d2f0..0779cd73b3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -198,6 +198,10 @@ Changed
 
 * Bump black to v22.3.0 - This is  used internally to reformat our python code. #5606
 
+* Add required dependency to support etcd3gw driver. #5528
+
+  Contributed by @khushboobhatia01
+
 3.6.0 - October 29, 2021
 ------------------------
 
diff --git a/fixed-requirements.txt b/fixed-requirements.txt
index d02d90bb20..cb4818da4d 100644
--- a/fixed-requirements.txt
+++ b/fixed-requirements.txt
@@ -11,6 +11,7 @@ cryptography==3.4.7
 # Note: 0.20.0 removed select.poll() on which some of our code and libraries we
 # depend on rely
 eventlet==0.30.2
+etcd3gw==1.0.0
 flex==6.14.1
 gitpython==3.1.15
 # Needed by gitpython, old versions used to bundle it
@@ -65,6 +66,7 @@ sseclient-py==1.7
 stevedore==1.30.1
 tenacity>=3.2.1,<7.0.0
 tooz==2.8.0
+tenacity>=3.2.1,<7.0.0
 # Note: virtualenv embeds wheels for pip, wheel, and setuptools. So pinning virtualenv pins those as well.
 # virtualenv==20.4.0 (<21) has pip==20.3.3 wheel==0.36.2 setuptools==51.3.3
 virtualenv==20.4.0
diff --git a/requirements.txt b/requirements.txt
index 3ddc4047a3..41ba1afddd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ chardet<3.1.0
 cryptography==3.4.7
 decorator==4.4.2
 dnspython>=1.16.0,<2.0.0
+etcd3gw==1.0.0
 eventlet==0.30.2
 flex==6.14.1
 git+https://github.com/StackStorm/logshipper.git@stackstorm_patched#egg=logshipper
diff --git a/st2common/in-requirements.txt b/st2common/in-requirements.txt
index 921ee720f3..acf9c6c02d 100644
--- a/st2common/in-requirements.txt
+++ b/st2common/in-requirements.txt
@@ -14,6 +14,7 @@ mongoengine
 networkx
 # used by networkx
 decorator
+etcd3gw
 git+https://github.com/StackStorm/orquesta.git@v1.5.0#egg=orquesta
 git+https://github.com/StackStorm/st2-rbac-backend.git@master#egg=st2-rbac-backend
 oslo.config
@@ -31,6 +32,7 @@ semver
 six
 tenacity
 tooz
+tenacity
 # Required by tooz - on new versions of tooz, all the backend dependencies need
 # to be installed manually
 zake
diff --git a/st2common/requirements.txt b/st2common/requirements.txt
index 41d31e328c..10508d2dea 100644
--- a/st2common/requirements.txt
+++ b/st2common/requirements.txt
@@ -13,6 +13,7 @@ chardet<3.1.0
 cryptography==3.4.7
 decorator==4.4.2
 dnspython>=1.16.0,<2.0.0
+etcd3gw==1.0.0
 eventlet==0.30.2
 flex==6.14.1
 git+https://github.com/StackStorm/orquesta.git@v1.5.0#egg=orquesta