diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd37b437..2acd6f27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
-## 0.0.86
+## 0.0.87
 * Patch various CVEs
+* Enable pytest concurrency
+* Enable Claude Code
+* Use Python 3.12 for testing
+* Define version in one place
 
 ## 0.0.86
 * Patch various CVEs
diff --git a/Makefile b/Makefile
index fa69099c..183c22d0 100644
--- a/Makefile
+++ b/Makefile
@@ -137,8 +137,7 @@ check-version:
 	scripts/version-sync.sh -c \
 		-s CHANGELOG.md \
 		-f preprocessing-pipeline-family.yaml release \
-		-f ${PACKAGE_NAME}/api/app.py release \
-		-f ${PACKAGE_NAME}/api/general.py release
+		-f prepline_general/api/__version__.py release \
 
 ## version-sync:                update references to version with most recent version from CHANGELOG.md
 .PHONY: version-sync
@@ -146,5 +145,4 @@ version-sync:
 	scripts/version-sync.sh \
 		-s CHANGELOG.md \
 		-f preprocessing-pipeline-family.yaml release \
-		-f ${PACKAGE_NAME}/api/app.py release \
-		-f ${PACKAGE_NAME}/api/general.py release
+		-f prepline_general/api/__version__.py release \
diff --git a/prepline_general/api/__version__.py b/prepline_general/api/__version__.py
new file mode 100644
index 00000000..52a2b406
--- /dev/null
+++ b/prepline_general/api/__version__.py
@@ -0,0 +1 @@
+__version__ = "0.0.87"  # pragma: no cover
diff --git a/prepline_general/api/app.py b/prepline_general/api/app.py
index 26380bfb..1d29d684 100644
--- a/prepline_general/api/app.py
+++ b/prepline_general/api/app.py
@@ -7,13 +7,14 @@
 
 from .general import router as general_router
 from .openapi import set_custom_openapi
+from prepline_general.api import __version__ as api_version
 
 logger = logging.getLogger("unstructured_api")
 
 app = FastAPI(
     title="Unstructured Pipeline API",
     summary="Partition documents with the Unstructured library",
-    version="0.0.86",
+    version=str(api_version),
     docs_url="/general/docs",
     openapi_url="/general/openapi.json",
     servers=[
diff --git a/prepline_general/api/general.py b/prepline_general/api/general.py
index 17619702..1aef18b3 100644
--- a/prepline_general/api/general.py
+++ b/prepline_general/api/general.py
@@ -41,6 +41,7 @@
     elements_from_json,
 )
 from unstructured_inference.models.base import UnknownModelException
+from prepline_general.api import __version__ as api_version
 
 app = FastAPI()
 router = APIRouter()
@@ -600,7 +601,7 @@ def return_content_type(filename: str):
 
 
 @router.get("/general/v0/general", include_in_schema=False)
-@router.get("/general/v0.0.86/general", include_in_schema=False)
+@router.get(f"/general/{api_version}/general", include_in_schema=False)
 async def handle_invalid_get_request():
     raise HTTPException(
         status_code=status.HTTP_405_METHOD_NOT_ALLOWED, detail="Only POST requests are supported."
@@ -615,7 +616,7 @@ async def handle_invalid_get_request():
     description="Description",
     operation_id="partition_parameters",
 )
-@router.post("/general/v0.0.86/general", include_in_schema=False)
+@router.post(f"/general/{api_version}/general", include_in_schema=False)
 def general_partition(
     request: Request,
     # cannot use annotated type here because of a bug described here:
diff --git a/preprocessing-pipeline-family.yaml b/preprocessing-pipeline-family.yaml
index 039aef55..a7c2dac9 100644
--- a/preprocessing-pipeline-family.yaml
+++ b/preprocessing-pipeline-family.yaml
@@ -1,2 +1,2 @@
 name: general
-version: 0.0.86
+version: 0.0.87