diff --git a/README.md b/README.md
index c32f52c..b92a3c7 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Microsoft Azure CLI Extension for creating (or _"baking"_) custom virtual machin
 To install the Azure CLI Custom Image Helper extension, simply run the following command:
 
 ```sh
-az extension add --source https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-0.3.6-py3-none-any.whl -y
+az extension add --source https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-0.3.7-py3-none-any.whl -y
 ```
 
 ### Update
diff --git a/bake/HISTORY.rst b/bake/HISTORY.rst
index a43c93a..82d328c 100644
--- a/bake/HISTORY.rst
+++ b/bake/HISTORY.rst
@@ -3,6 +3,10 @@
 Release History
 ===============
 
+0.3.7
+++++++
+* Always use latest version of az bake in Azure DevOps pipelines
+
 0.3.6
 ++++++
 * Added az bake image bump
@@ -12,7 +16,7 @@ Release History
 0.3.5
 ++++++
 * Added az bake image bump
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.3.4
 ++++++
@@ -28,7 +32,7 @@ Release History
 
 0.3.1
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.3.0
 ++++++
@@ -36,15 +40,15 @@ Release History
 
 0.2.9
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.2.8
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.2.7
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.2.6
 ++++++
@@ -56,11 +60,11 @@ Release History
 
 0.2.4
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.2.3
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.2.2
 ++++++
@@ -76,7 +80,7 @@ Release History
 
 0.1.19
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.18
 ++++++
@@ -84,7 +88,7 @@ Release History
 
 0.1.17
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.16
 ++++++
@@ -92,15 +96,15 @@ Release History
 
 0.1.15
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.14
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.13
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.12
 ++++++
@@ -118,7 +122,7 @@ Release History
 
 0.1.9
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.8
 ++++++
@@ -126,11 +130,11 @@ Release History
 
 0.1.7
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.6
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.1.5
 ++++++
@@ -157,15 +161,15 @@ Release History
 
 0.1.0
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.35
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.34
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.33
 ++++++
@@ -242,63 +246,63 @@ Release History
 
 0.0.16
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.15
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.14
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.13
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.12
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.11
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.10
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.9
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.8
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.7
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.6
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.5
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.4
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.3
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.2
 ++++++
-* Bug fixes and minor improvements.
+* Bug fixes and minor improvements
 
 0.0.1
 ++++++
diff --git a/bake/azext_bake/_constants.py b/bake/azext_bake/_constants.py
index f1b469a..dba52e4 100644
--- a/bake/azext_bake/_constants.py
+++ b/bake/azext_bake/_constants.py
@@ -283,12 +283,11 @@ def tag_key(key):
       AZURE_CLIENT_SECRET: $(AZURE_CLIENT_SECRET)
       AZURE_TENANT_ID: $(AZURE_TENANT_ID)
 
-  - script: az extension add --source https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-0.3.6-py3-none-any.whl -y
+  - script: | # get the latest version of az bake from the github releases and install it
+      curl -L https://github.com/colbylwilliams/az-bake/releases/latest/download/index.json > $AGENT_TEMPDIRECTORY/index.json
+      az extension add --yes --source $(jq -r '.extensions.bake[0].downloadUrl' $AGENT_TEMPDIRECTORY/index.json)
     displayName: Install az bake
 
-  - script: az bake upgrade
-    displayName: Update az bake
-
   - script: az bake repo build --verbose --repo .
     displayName: Run az bake
     env:
diff --git a/bake/setup.py b/bake/setup.py
index 89c25ef..f6eab41 100644
--- a/bake/setup.py
+++ b/bake/setup.py
@@ -17,7 +17,7 @@
     logger.warn("Wheel is not available, disabling bdist_wheel hook")
 
 # Must match a HISTORY.rst entry.
-VERSION = '0.3.6'
+VERSION = '0.3.7'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers
diff --git a/builder/Dockerfile b/builder/Dockerfile
index f4948f9..6f283a1 100644
--- a/builder/Dockerfile
+++ b/builder/Dockerfile
@@ -38,7 +38,7 @@ LABEL maintainer="Microsoft" \
 RUN apk add --no-cache packer --repository=http://dl-cdn.alpinelinux.org/alpine/edge/community
 
 # install az-bake
-RUN az extension add --source https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-0.3.6-py3-none-any.whl -y
+RUN az extension add --source https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-0.3.7-py3-none-any.whl -y
 
 # Terminate container on stop
 STOPSIGNAL SIGTERM
diff --git a/tools/bump-version.py b/tools/bump-version.py
index 63778f5..729499b 100644
--- a/tools/bump-version.py
+++ b/tools/bump-version.py
@@ -8,12 +8,12 @@
 from pathlib import Path
 from re import search
 
-from packaging.version import parse  # pylint: disable=unresolved-import
+from packaging.version import parse as parse_version  # pylint: disable=unresolved-import
 
 parser = argparse.ArgumentParser()
 parser.add_argument('--major', action='store_true', help='bump major version')
 parser.add_argument('--minor', action='store_true', help='bump minor version')
-parser.add_argument('--notes', nargs='*', default=['Bug fixes and minor improvements.'], help='space seperated strings with release notes')
+parser.add_argument('--notes', nargs='*', default=['Bug fixes and minor improvements'], help='space seperated strings with release notes')
 
 args = parser.parse_args()
 
@@ -43,21 +43,21 @@
 if not version:
     raise ValueError('no version found in setup.py')
 
-version_old = parse(version)
+version_old = parse_version(version)
 
 n_major = version_old.major + 1 if major else version_old.major
 n_minor = 0 if major else version_old.minor + 1 if minor else version_old.minor
 n_patch = 0 if major or minor else version_old.micro + 1
 
-version_new = parse('{}.{}.{}'.format(n_major, n_minor, n_patch))
+version_new = parse_version(f'{n_major}.{n_minor}.{n_patch}')
 
 
-print('bumping version: {} -> {}'.format(version_old.public, version_new.public))
+print(f'bumping version: {version_old.public} -> {version_new.public}')
 
 fmt_setup = 'VERSION = \'{}\''
 fmt_readme = 'https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-{}-py3-none-any.whl'
 fmt_docker = 'https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-{}-py3-none-any.whl'
-fmt_consts = 'https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-{}-py3-none-any.whl'
+# fmt_consts = 'https://github.com/colbylwilliams/az-bake/releases/latest/download/bake-{}-py3-none-any.whl'
 fmt_history = '{}\n++++++\n{}\n\n{}'
 
 
@@ -117,15 +117,15 @@
     f.write(readme)
 
 
-print('..updating _constants.py')
+# print('..updating _constants.py')
 
-with open(path_bake / 'azext_bake' / '_constants.py', 'r') as f:
-    constants = f.read()
+# with open(path_bake / 'azext_bake' / '_constants.py', 'r') as f:
+#     constants = f.read()
 
-if fmt_consts.format(version_old.public) not in constants:
-    raise ValueError('version string not found in _constants.py')
+# if fmt_consts.format(version_old.public) not in constants:
+#     raise ValueError('version string not found in _constants.py')
 
-constants = constants.replace(fmt_consts.format(version_old.public), fmt_consts.format(version_new.public))
+# constants = constants.replace(fmt_consts.format(version_old.public), fmt_consts.format(version_new.public))
 
-with open(path_bake / 'azext_bake' / '_constants.py', 'w') as f:
-    f.write(constants)
+# with open(path_bake / 'azext_bake' / '_constants.py', 'w') as f:
+#     f.write(constants)