diff --git a/poetry.lock b/poetry.lock
index 5c91edd3..41e046ca 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -122,9 +122,6 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 
-[package.dependencies]
-toml = {version = "*", optional = true, markers = "extra == \"toml\""}
-
 [package.extras]
 toml = ["toml"]
 
@@ -180,7 +177,7 @@ grpc = ["grpcio (>=1.0.0)"]
 
 [[package]]
 name = "grpcio"
-version = "1.37.1"
+version = "1.38.0"
 description = "HTTP/2-based RPC framework"
 category = "main"
 optional = true
@@ -190,7 +187,7 @@ python-versions = "*"
 six = ">=1.5.2"
 
 [package.extras]
-protobuf = ["grpcio-tools (>=1.37.1)"]
+protobuf = ["grpcio-tools (>=1.38.0)"]
 
 [[package]]
 name = "immutables"
@@ -205,7 +202,7 @@ test = ["flake8 (>=3.8.4,<3.9.0)", "pycodestyle (>=2.6.0,<2.7.0)"]
 
 [[package]]
 name = "importlib-metadata"
-version = "4.0.1"
+version = "4.5.0"
 description = "Read metadata from Python packages"
 category = "dev"
 optional = false
@@ -414,7 +411,7 @@ dev = ["pre-commit", "tox"]
 
 [[package]]
 name = "protobuf"
-version = "3.17.0"
+version = "3.17.3"
 description = "Protocol Buffers"
 category = "main"
 optional = true
@@ -449,14 +446,14 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pylint"
-version = "2.8.2"
+version = "2.8.3"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = "~=3.6"
 
 [package.dependencies]
-astroid = ">=2.5.6,<2.7"
+astroid = "2.5.6"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.7"
@@ -502,18 +499,19 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xm
 
 [[package]]
 name = "pytest-cov"
-version = "2.12.0"
+version = "2.12.1"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
-coverage = {version = ">=5.2.1", extras = ["toml"]}
+coverage = ">=5.2.1"
 pytest = ">=4.6"
+toml = "*"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "pytest-xdist", "virtualenv"]
+testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "regex"
@@ -600,7 +598,7 @@ otlp = ["opentelemetry-exporter-otlp-proto-grpc"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "a6443813908844d861d376af76dbff3d012afbb57b2d97eb417b7a658e70a33a"
+content-hash = "726691f8c894f53ed837d1f5364347f1cf7f916ecc6e97c630248207b9a619a8"
 
 [metadata.files]
 aiocontextvars = [
@@ -712,57 +710,57 @@ googleapis-common-protos = [
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 ]
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@@ -782,8 +780,8 @@ immutables = [
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@@ -894,29 +892,29 @@ pluggy = [
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+    {file = "protobuf-3.17.3-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:26010f693b675ff5a1d0e1bdb17689b8b716a18709113288fead438703d45539"},
+    {file = "protobuf-3.17.3-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.whl", hash = "sha256:e76d9686e088fece2450dbc7ee905f9be904e427341d289acbe9ad00b78ebd47"},
+    {file = "protobuf-3.17.3-py2.py3-none-any.whl", hash = "sha256:2bfb815216a9cd9faec52b16fd2bfa68437a44b67c56bee59bc3926522ecb04e"},
+    {file = "protobuf-3.17.3.tar.gz", hash = "sha256:72804ea5eaa9c22a090d2803813e280fb273b62d5ae497aaf3553d141c4fdd7b"},
 ]
 py = [
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@@ -931,8 +929,8 @@ pyflakes = [
     {file = "pyflakes-2.3.1.tar.gz", hash = "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"},
 ]
 pylint = [
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-    {file = "pylint-2.8.2.tar.gz", hash = "sha256:586d8fa9b1891f4b725f587ef267abe2a1bad89d6b184520c7f07a253dd6e217"},
+    {file = "pylint-2.8.3-py3-none-any.whl", hash = "sha256:792b38ff30903884e4a9eab814ee3523731abd3c463f3ba48d7b627e87013484"},
+    {file = "pylint-2.8.3.tar.gz", hash = "sha256:0a049c5d47b629d9070c3932d13bff482b12119b6a241a93bc460b0be16953c8"},
 ]
 pylintfileheader = [
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@@ -947,8 +945,8 @@ pytest = [
     {file = "pytest-6.2.4.tar.gz", hash = "sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b"},
 ]
 pytest-cov = [
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-    {file = "pytest_cov-2.12.0-py2.py3-none-any.whl", hash = "sha256:95d4933dcbbacfa377bb60b29801daa30d90c33981ab2a79e9ab4452c165066e"},
+    {file = "pytest-cov-2.12.1.tar.gz", hash = "sha256:261ceeb8c227b726249b376b8526b600f38667ee314f910353fa318caa01f4d7"},
+    {file = "pytest_cov-2.12.1-py2.py3-none-any.whl", hash = "sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a"},
 ]
 regex = [
     {file = "regex-2021.4.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:619d71c59a78b84d7f18891fe914446d07edd48dc8328c8e149cbe0929b4e000"},
diff --git a/pyproject.toml b/pyproject.toml
index c386235b..8955ca49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "splunk-opentelemetry"
-version = "0.15.0"
+version = "0.15.1"
 description = "The Splunk distribution of OpenTelemetry Python Instrumentation provides a Python agent that automatically instruments your Python application to capture and report distributed traces to SignalFx APM."
 authors = ["Splunk <splunk-oss@splunk.com>"]
 license = "Apache-2.0"
@@ -26,8 +26,8 @@ splunk_distro = "splunk_otel.distro:SplunkDistro"
 
 [tool.poetry.dependencies]
 python = "^3.6"
-opentelemetry-api = "^1.2.0"
-opentelemetry-sdk = "^1.2.0"
+opentelemetry-api = "1.2.0"
+opentelemetry-sdk = "1.2.0"
 opentelemetry-instrumentation = "0.21b0"
 opentelemetry-propagator-b3 = {version = "^1.2.0", optional = true} 
 opentelemetry-exporter-jaeger-thrift = {version = "1.2.0", optional = true}