diff --git a/.cz.toml b/.cz.toml
index f000879ea..7b24eea60 100644
--- a/.cz.toml
+++ b/.cz.toml
@@ -4,7 +4,7 @@ tag_format = "v$version"
 version_scheme = "pep440"
 major_version_zero = true
 update_changelog_on_bump = true
-version = "0.1.8"
+version = "0.1.9"
 version_files = [
     "packages/opentelemetry-instrumentation-anthropic/pyproject.toml:^version",
     "packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/version.py",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82873d6a4..fdd2ce5d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## v0.1.9 (2023-11-03)
+
+### Fix
+
+- **langchain**: improved support for agents and tools with Langchain (#143)
+- support streaming API for OpenAI (#142)
+
 ## v0.1.8 (2023-11-02)
 
 ### Fix
diff --git a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/version.py b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/version.py
+++ b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-anthropic/pyproject.toml b/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
index 86723cb29..1ab46460e 100644
--- a/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-anthropic"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Anthropic instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/version.py b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/version.py
+++ b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-bedrock/pyproject.toml b/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
index d22f2a18b..d12cd3a72 100644
--- a/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-bedrock"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Bedrock instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-chromadb/opentelemetry/instrumentation/chromadb/version.py b/packages/opentelemetry-instrumentation-chromadb/opentelemetry/instrumentation/chromadb/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-chromadb/opentelemetry/instrumentation/chromadb/version.py
+++ b/packages/opentelemetry-instrumentation-chromadb/opentelemetry/instrumentation/chromadb/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-chromadb/pyproject.toml b/packages/opentelemetry-instrumentation-chromadb/pyproject.toml
index d99af804a..c148402ac 100644
--- a/packages/opentelemetry-instrumentation-chromadb/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-chromadb/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-chromadb"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Chroma DB instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/version.py b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/version.py
+++ b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-cohere/pyproject.toml b/packages/opentelemetry-instrumentation-cohere/pyproject.toml
index 5cb55aa9d..83c352889 100644
--- a/packages/opentelemetry-instrumentation-cohere/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-cohere/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-cohere"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Cohere instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-haystack/opentelemetry/instrumentation/haystack/version.py b/packages/opentelemetry-instrumentation-haystack/opentelemetry/instrumentation/haystack/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-haystack/opentelemetry/instrumentation/haystack/version.py
+++ b/packages/opentelemetry-instrumentation-haystack/opentelemetry/instrumentation/haystack/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-haystack/pyproject.toml b/packages/opentelemetry-instrumentation-haystack/pyproject.toml
index 07d4273ee..95bc78e11 100644
--- a/packages/opentelemetry-instrumentation-haystack/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-haystack/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-haystack"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Haystack instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/version.py b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/version.py
+++ b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-langchain/pyproject.toml b/packages/opentelemetry-instrumentation-langchain/pyproject.toml
index ed1c5f0f5..5f0f10874 100644
--- a/packages/opentelemetry-instrumentation-langchain/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-langchain/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-langchain"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Langchain instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/version.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/version.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-openai/pyproject.toml b/packages/opentelemetry-instrumentation-openai/pyproject.toml
index 96f0f6fd2..cd90df021 100644
--- a/packages/opentelemetry-instrumentation-openai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-openai/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-openai"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry OpenAI instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-pinecone/opentelemetry/instrumentation/pinecone/version.py b/packages/opentelemetry-instrumentation-pinecone/opentelemetry/instrumentation/pinecone/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-pinecone/opentelemetry/instrumentation/pinecone/version.py
+++ b/packages/opentelemetry-instrumentation-pinecone/opentelemetry/instrumentation/pinecone/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-pinecone/pyproject.toml b/packages/opentelemetry-instrumentation-pinecone/pyproject.toml
index 3016c27a9..2b4626bd1 100644
--- a/packages/opentelemetry-instrumentation-pinecone/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-pinecone/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-pinecone"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Pinecone instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/version.py b/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/version.py
+++ b/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-transformers/pyproject.toml b/packages/opentelemetry-instrumentation-transformers/pyproject.toml
index 3763221d5..767226602 100644
--- a/packages/opentelemetry-instrumentation-transformers/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-transformers/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-transformers"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry transformers instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/version.py b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/version.py
+++ b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-vertexai/pyproject.toml b/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
index 2ef93478b..f5dbcd4fd 100644
--- a/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-vertexai"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Vertex AI instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/opentelemetry-instrumentation-weaviate/opentelemetry/instrumentation/weaviate/version.py b/packages/opentelemetry-instrumentation-weaviate/opentelemetry/instrumentation/weaviate/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/opentelemetry-instrumentation-weaviate/opentelemetry/instrumentation/weaviate/version.py
+++ b/packages/opentelemetry-instrumentation-weaviate/opentelemetry/instrumentation/weaviate/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"
diff --git a/packages/opentelemetry-instrumentation-weaviate/pyproject.toml b/packages/opentelemetry-instrumentation-weaviate/pyproject.toml
index f87b972b0..22f17df96 100644
--- a/packages/opentelemetry-instrumentation-weaviate/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-weaviate/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/opentelemetry-instru
 
 [tool.poetry]
 name = "opentelemetry-instrumentation-weaviate"
-version = "0.1.8"
+version = "0.1.9"
 description = "OpenTelemetry Weaviate instrumentation"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/traceloop-sdk/pyproject.toml b/packages/traceloop-sdk/pyproject.toml
index b4b2b18f8..f5c388509 100644
--- a/packages/traceloop-sdk/pyproject.toml
+++ b/packages/traceloop-sdk/pyproject.toml
@@ -11,7 +11,7 @@ addopts = "--cov --cov-report html:'../../coverage/packages/traceloop-sdk/html'
 
 [tool.poetry]
 name = "traceloop-sdk"
-version = "0.1.8"
+version = "0.1.9"
 description = "Traceloop Software Development Kit (SDK) for Python"
 authors = [
   "Gal Kleinman <gal@traceloop.com>",
diff --git a/packages/traceloop-sdk/traceloop/sdk/version.py b/packages/traceloop-sdk/traceloop/sdk/version.py
index 9cb17e797..c11f861af 100644
--- a/packages/traceloop-sdk/traceloop/sdk/version.py
+++ b/packages/traceloop-sdk/traceloop/sdk/version.py
@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"