diff --git a/.github/workflows/release-older-version-sdks.yml b/.github/workflows/release-older-version-sdks.yml
index e05306d..7f0818f 100644
--- a/.github/workflows/release-older-version-sdks.yml
+++ b/.github/workflows/release-older-version-sdks.yml
@@ -82,10 +82,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up Python 3.7
+    - name: Set up Python 3.9
       uses: actions/setup-python@v2
       with:
-        python-version: 3.7
+        python-version: 3.9
 
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/release-sdks.yml b/.github/workflows/release-sdks.yml
index 6981b67..1ff6e4c 100755
--- a/.github/workflows/release-sdks.yml
+++ b/.github/workflows/release-sdks.yml
@@ -57,10 +57,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       
-    - name: Set up Python 3.7
+    - name: Set up Python 3.9
       uses: actions/setup-python@v2
       with:
-        python-version: 3.7
+        python-version: 3.9
     
     - name: Install dependencies
       run: |
diff --git a/python/CI/generate-sdk.sh b/python/CI/generate-sdk.sh
index 0a9eb04..f694e73 100755
--- a/python/CI/generate-sdk.sh
+++ b/python/CI/generate-sdk.sh
@@ -4,15 +4,20 @@ set -e
 SCHEMA_PATH=/schema # Location of Protobuf schema
 BASE_PATH_V3=/python/fds.protobuf.stach.v3 # Base location of Python generated classes
 BASE_PATH_V2=/python/fds.protobuf.stach.v2 # Base location of Python generated classes
+BASE_PATH_V1=/python/fds.protobuf.stach
+
 PACKAGE_PATH_V3=v3/fds/protobuf/stach/v3
 PACKAGE_PATH_V2=v2/fds/protobuf/stach/v2
+PACKAGE_PATH_V1=v1/fds/protobuf/stach
 
 # echo Removed old generated code
 rm -f $BASE_PATH_V2/$PACKAGE_PATH_V2/**/*_pb2.py
 rm -f $BASE_PATH_V3/$PACKAGE_PATH_V3/**/*_pb2.py
+rm -f $BASE_PATH_V1/$PACKAGE_PATH_V1/**/*_pb2.py
 
 mkdir -p "$BASE_PATH_V3"
 mkdir -p "$BASE_PATH_V2"
+mkdir -p "$BASE_PATH_V1"
 
 PROTOFILES=$(find $SCHEMA_PATH/$PACKAGE_PATH_V3 -iname "*.proto")
 protoc --proto_path $SCHEMA_PATH/v3 --python_out $BASE_PATH_V3 $PROTOFILES
@@ -28,4 +33,11 @@ for f in $(find $BASE_PATH_V2/fds/protobuf/stach/v2 -type d -maxdepth 10); do
 	touch "$f/__init__.py"
 done;
 
+PROTOFILES=$(find $SCHEMA_PATH/$PACKAGE_PATH_V1 -iname "*.proto")
+protoc --proto_path $SCHEMA_PATH/v1 --python_out $BASE_PATH_V1 $PROTOFILES
+
+for f in $(find $BASE_PATH_V1/fds/protobuf/stach/v1 -type d -maxdepth 10); do
+    touch "$f/__init__.py"
+done;
+
 echo Produced new generated code
diff --git a/python/Dockerfile.generate b/python/Dockerfile.generate
index 4db5039..97197e9 100644
--- a/python/Dockerfile.generate
+++ b/python/Dockerfile.generate
@@ -9,8 +9,8 @@ RUN apt-get update && \
     apt-get -y install unzip git curl && \
     rm -rf /var/lib/apt/lists/*
 
-ARG PROTOC_ZIP=protoc-3.19.4-linux-x86_64.zip
-RUN curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v3.19.4/$PROTOC_ZIP
+ARG PROTOC_ZIP=protoc-32.0-linux-x86_64.zip
+RUN curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v32.0/$PROTOC_ZIP
 RUN unzip -o $PROTOC_ZIP -d /usr/local bin/protoc
 RUN unzip -o $PROTOC_ZIP -d /usr/local 'include/*'
 RUN rm -f $PROTOC_ZIP
diff --git a/python/fds.protobuf.stach.v2/setup.py b/python/fds.protobuf.stach.v2/setup.py
index 46fea79..eb01981 100644
--- a/python/fds.protobuf.stach.v2/setup.py
+++ b/python/fds.protobuf.stach.v2/setup.py
@@ -1,12 +1,12 @@
 from setuptools import setup, find_packages
 
 setup(name='fds.protobuf.stach.v2',
-      version='1.0.3',
+      version='1.0.4',
       description='Stach library in python',
       url='',
       author='analytics-reporting',
       author_email='analytics.api.support@factset.com',
       license='Apache License 2.0',
-      install_requires=["protobuf>=3.19.4"],
+      install_requires=["protobuf>=3.20.0, <7.0.0"],
       packages=find_packages(),
       zip_safe=False)
diff --git a/python/fds.protobuf.stach.v3/setup.py b/python/fds.protobuf.stach.v3/setup.py
index bd283c6..299a8c8 100644
--- a/python/fds.protobuf.stach.v3/setup.py
+++ b/python/fds.protobuf.stach.v3/setup.py
@@ -7,6 +7,6 @@
       author='analytics-reporting',
       author_email='analytics.api.support@factset.com',
       license='Apache License 2.0',
-      install_requires=["protobuf>=3.19.4"],
+      install_requires=["protobuf>=3.20.0, <7.0.0"],
       packages=find_packages(),
       zip_safe=False)
diff --git a/python/fds.protobuf.stach/fds/protobuf/stach/NullValues.py b/python/fds.protobuf.stach/fds/protobuf/stach/NullValues.py
new file mode 100644
index 0000000..c7d421e
--- /dev/null
+++ b/python/fds.protobuf.stach/fds/protobuf/stach/NullValues.py
@@ -0,0 +1,18 @@
+from google.protobuf.duration_pb2 import Duration
+from google.protobuf.timestamp_pb2 import Timestamp
+
+class NullValues :
+
+    DOUBLE = float('nan')
+
+    DURATION = Duration(seconds=315576000000, nanos=999999900)
+
+    FLOAT = float('nan')
+
+    INT32 = 2147483647
+
+    INT64 = 9223372036854775807
+
+    STRING = "null"
+
+    TIMESTAMP = Timestamp(seconds=253402300799, nanos=0)
diff --git a/python/fds.protobuf.stach/setup.py b/python/fds.protobuf.stach/setup.py
new file mode 100644
index 0000000..d62386f
--- /dev/null
+++ b/python/fds.protobuf.stach/setup.py
@@ -0,0 +1,12 @@
+from setuptools import setup, find_packages
+
+setup(name='fds.protobuf.stach',
+      version='1.0.1',
+      description='Stach library in python',
+      url='',
+      author='analytics-reporting',
+      author_email='analytics.api.support@factset.com',
+      license='Apache License 2.0',
+      install_requires=["protobuf>=3.20.0, <7.0.0"],
+      packages=find_packages(),
+      zip_safe=False)