diff --git a/stac_fastapi/core/setup.py b/stac_fastapi/core/setup.py
index 9a359afc..a83e62dc 100644
--- a/stac_fastapi/core/setup.py
+++ b/stac_fastapi/core/setup.py
@@ -23,7 +23,7 @@
 ]
 
 setup(
-    name="stac-fastapi.core",
+    name="stac_fastapi.core",
     description="Core library for the Elasticsearch and Opensearch stac-fastapi backends.",
     long_description=desc,
     long_description_content_type="text/markdown",
diff --git a/stac_fastapi/elasticsearch/setup.py b/stac_fastapi/elasticsearch/setup.py
index f6e28790..5f85b610 100644
--- a/stac_fastapi/elasticsearch/setup.py
+++ b/stac_fastapi/elasticsearch/setup.py
@@ -28,7 +28,7 @@
 }
 
 setup(
-    name="stac-fastapi.elasticsearch",
+    name="stac_fastapi.elasticsearch",
     description="An implementation of STAC API based on the FastAPI framework with both Elasticsearch and Opensearch.",
     long_description=desc,
     long_description_content_type="text/markdown",
diff --git a/stac_fastapi/opensearch/setup.py b/stac_fastapi/opensearch/setup.py
index b6ebd70b..c1acf2c8 100644
--- a/stac_fastapi/opensearch/setup.py
+++ b/stac_fastapi/opensearch/setup.py
@@ -28,7 +28,7 @@
 }
 
 setup(
-    name="stac-fastapi.opensearch",
+    name="stac_fastapi.opensearch",
     description="Opensearch stac-fastapi backend.",
     long_description=desc,
     long_description_content_type="text/markdown",