diff --git a/examples/opentelemetry-example-app/setup.py b/examples/opentelemetry-example-app/setup.py
index 4494d4ad0fa..fc828d2bb46 100644
--- a/examples/opentelemetry-example-app/setup.py
+++ b/examples/opentelemetry-example-app/setup.py
@@ -16,7 +16,7 @@
 
 setuptools.setup(
     name="opentelemetry-example-app",
-    version="0.1.dev0",
+    version="0.2a0",
     author="OpenTelemetry Authors",
     author_email="cncf-opentelemetry-contributors@lists.cncf.io",
     classifiers=[
@@ -35,10 +35,10 @@
     long_description=open("README.rst").read(),
     install_requires=[
         "typing; python_version<'3.5'",
-        "opentelemetry-api",
-        "opentelemetry-sdk",
-        "opentelemetry-ext-http-requests",
-        "opentelemetry-ext-wsgi",
+        "opentelemetry-api>=0.2a0",
+        "opentelemetry-sdk>=0.2a0",
+        "opentelemetry-ext-http-requests>=0.2a0",
+        "opentelemetry-ext-wsgi>=0.2a0",
         "flask",
         "requests",
     ],
diff --git a/ext/opentelemetry-ext-azure-monitor/setup.cfg b/ext/opentelemetry-ext-azure-monitor/setup.cfg
index 3110ed35312..3750a48f9eb 100644
--- a/ext/opentelemetry-ext-azure-monitor/setup.cfg
+++ b/ext/opentelemetry-ext-azure-monitor/setup.cfg
@@ -39,8 +39,8 @@ package_dir=
     =src
 packages=find_namespace:
 install_requires =
-    opentelemetry-api
-    opentelemetry-sdk
+    opentelemetry-api >= 0.2a0
+    opentelemetry-sdk >= 0.2a0
 
 [options.packages.find]
 where = src
diff --git a/ext/opentelemetry-ext-azure-monitor/src/opentelemetry/ext/azure_monitor/version.py b/ext/opentelemetry-ext-azure-monitor/src/opentelemetry/ext/azure_monitor/version.py
index a457c2b6651..7e3df24974d 100644
--- a/ext/opentelemetry-ext-azure-monitor/src/opentelemetry/ext/azure_monitor/version.py
+++ b/ext/opentelemetry-ext-azure-monitor/src/opentelemetry/ext/azure_monitor/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/ext/opentelemetry-ext-http-requests/setup.cfg b/ext/opentelemetry-ext-http-requests/setup.cfg
index 7d41a525cd9..1ab532922a9 100644
--- a/ext/opentelemetry-ext-http-requests/setup.cfg
+++ b/ext/opentelemetry-ext-http-requests/setup.cfg
@@ -39,7 +39,7 @@ package_dir=
     =src
 packages=find_namespace:
 install_requires =
-    opentelemetry-api >= 0.1.dev0
+    opentelemetry-api >= 0.2a0
     requests ~= 2.0
 
 [options.packages.find]
diff --git a/ext/opentelemetry-ext-http-requests/src/opentelemetry/ext/http_requests/version.py b/ext/opentelemetry-ext-http-requests/src/opentelemetry/ext/http_requests/version.py
index a457c2b6651..7e3df24974d 100644
--- a/ext/opentelemetry-ext-http-requests/src/opentelemetry/ext/http_requests/version.py
+++ b/ext/opentelemetry-ext-http-requests/src/opentelemetry/ext/http_requests/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/ext/opentelemetry-ext-jaeger/setup.cfg b/ext/opentelemetry-ext-jaeger/setup.cfg
index a5f04f1e9b3..e263440805d 100644
--- a/ext/opentelemetry-ext-jaeger/setup.cfg
+++ b/ext/opentelemetry-ext-jaeger/setup.cfg
@@ -40,8 +40,8 @@ package_dir=
 packages=find_namespace:
 install_requires =
     thrift >= 0.10.0
-    opentelemetry-api
-    opentelemetry-sdk
+    opentelemetry-api >= 0.2a0
+    opentelemetry-sdk >= 0.2a0
 
 [options.packages.find]
 where = src
diff --git a/ext/opentelemetry-ext-jaeger/src/opentelemetry/ext/jaeger/version.py b/ext/opentelemetry-ext-jaeger/src/opentelemetry/ext/jaeger/version.py
index 262f2467144..e51e3f8ad72 100644
--- a/ext/opentelemetry-ext-jaeger/src/opentelemetry/ext/jaeger/version.py
+++ b/ext/opentelemetry-ext-jaeger/src/opentelemetry/ext/jaeger/version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/ext/opentelemetry-ext-opentracing-shim/setup.cfg b/ext/opentelemetry-ext-opentracing-shim/setup.cfg
index c3b750f80fe..826ae805658 100644
--- a/ext/opentelemetry-ext-opentracing-shim/setup.cfg
+++ b/ext/opentelemetry-ext-opentracing-shim/setup.cfg
@@ -40,7 +40,7 @@ package_dir=
 packages=find_namespace:
 install_requires =
     opentracing
-    opentelemetry-api
+    opentelemetry-api >= 0.2a0
 
 [options.packages.find]
 where = src
diff --git a/ext/opentelemetry-ext-opentracing-shim/src/opentelemetry/ext/opentracing_shim/version.py b/ext/opentelemetry-ext-opentracing-shim/src/opentelemetry/ext/opentracing_shim/version.py
index a457c2b6651..7e3df24974d 100644
--- a/ext/opentelemetry-ext-opentracing-shim/src/opentelemetry/ext/opentracing_shim/version.py
+++ b/ext/opentelemetry-ext-opentracing-shim/src/opentelemetry/ext/opentracing_shim/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/ext/opentelemetry-ext-wsgi/setup.cfg b/ext/opentelemetry-ext-wsgi/setup.cfg
index 4405e37a302..5116adfac0f 100644
--- a/ext/opentelemetry-ext-wsgi/setup.cfg
+++ b/ext/opentelemetry-ext-wsgi/setup.cfg
@@ -39,7 +39,7 @@ package_dir=
     =src
 packages=find_namespace:
 install_requires =
-    opentelemetry-api
+    opentelemetry-api >= 0.2a0
 
 [options.packages.find]
 where = src
diff --git a/ext/opentelemetry-ext-wsgi/src/opentelemetry/ext/wsgi/version.py b/ext/opentelemetry-ext-wsgi/src/opentelemetry/ext/wsgi/version.py
index a457c2b6651..7e3df24974d 100644
--- a/ext/opentelemetry-ext-wsgi/src/opentelemetry/ext/wsgi/version.py
+++ b/ext/opentelemetry-ext-wsgi/src/opentelemetry/ext/wsgi/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/opentelemetry-api/src/opentelemetry/util/version.py b/opentelemetry-api/src/opentelemetry/util/version.py
index a457c2b6651..7e3df24974d 100644
--- a/opentelemetry-api/src/opentelemetry/util/version.py
+++ b/opentelemetry-api/src/opentelemetry/util/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"
diff --git a/opentelemetry-sdk/setup.py b/opentelemetry-sdk/setup.py
index fabf97cb391..62a20e94906 100644
--- a/opentelemetry-sdk/setup.py
+++ b/opentelemetry-sdk/setup.py
@@ -43,7 +43,7 @@
     description="OpenTelemetry Python SDK",
     include_package_data=True,
     long_description=open("README.rst").read(),
-    install_requires=["opentelemetry-api==0.1.dev0"],
+    install_requires=["opentelemetry-api==0.2a0"],
     extras_require={},
     license="Apache-2.0",
     package_dir={"": "src"},
diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/version.py b/opentelemetry-sdk/src/opentelemetry/sdk/version.py
index a457c2b6651..7e3df24974d 100644
--- a/opentelemetry-sdk/src/opentelemetry/sdk/version.py
+++ b/opentelemetry-sdk/src/opentelemetry/sdk/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.dev0"
+__version__ = "0.2a0"