diff --git a/libs/admin-api-lib/pyproject.toml b/libs/admin-api-lib/pyproject.toml
index 687dbbe7..91610757 100644
--- a/libs/admin-api-lib/pyproject.toml
+++ b/libs/admin-api-lib/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "admin-api-lib"
-version = "v3.4.0"
+version = "4.0.0.post20260122141916"
 description = "The admin backend is responsible for the document management. This includes deletion, upload and returning the source document."
 authors = [
     "STACKIT GmbH & Co. KG <data-ai@stackit.cloud>",
diff --git a/libs/extractor-api-lib/pyproject.toml b/libs/extractor-api-lib/pyproject.toml
index 4fe8445e..c0d8c7f1 100644
--- a/libs/extractor-api-lib/pyproject.toml
+++ b/libs/extractor-api-lib/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "extractor-api-lib"
-version = "v3.4.0"
+version = "4.0.0.post20260122141916"
 description = "Extracts the content of documents, websites, etc and maps it to a common format."
 authors = [
     "STACKIT GmbH & Co. KG <data-ai@stackit.cloud>",
diff --git a/libs/rag-core-api/pyproject.toml b/libs/rag-core-api/pyproject.toml
index 99d3154b..3af37f0b 100644
--- a/libs/rag-core-api/pyproject.toml
+++ b/libs/rag-core-api/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "rag-core-api"
-version = "v3.4.0"
+version = "4.0.0.post20260122141916"
 description = "The rag-core-api contains the API layer for the RAG template for document retrieval, question answering, knowledge base management in the vector database and more."
 packages = [{ include = "rag_core_api", from = "src" }]
 authors = [
diff --git a/libs/rag-core-lib/pyproject.toml b/libs/rag-core-lib/pyproject.toml
index 02c923a0..4dc8feca 100644
--- a/libs/rag-core-lib/pyproject.toml
+++ b/libs/rag-core-lib/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "rag-core-lib"
-version = "v3.4.0"
+version = "4.0.0.post20260122141916"
 description = "The rag-core-lib contains the shared components of at least two of the rag libs."
 authors = [
     "STACKIT GmbH & Co. KG <data-ai@stackit.cloud>",