diff --git a/pyproject.toml b/pyproject.toml
index af58c30..a388a12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,9 +23,7 @@ dependencies = [
     "pystac_client",
     "stactools_sentinel2",
     "rio-cogeo",
-    "requests",
-    "psycopg2-binary",
-    "pypgstac"
+    "requests"
 ]
 
 [project.optional-dependencies]
@@ -35,6 +33,10 @@ dev = [
     "pytest",
     "mkdocs"
 ]
+db = [
+    "psycopg2-binary",
+    "pypgstac"
+]
 oseo = [
     "GDAL>=3.8.5",
     "webcolors",