diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 47acf70..b5bef25 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -93,7 +93,7 @@ jobs:
       - name: Run pytest
         run: |
           pip install pytest  # ensure pytest is installed (should do nothing if already present from requirements-dev.txt)
-          pytest --pyargs flowsheet_processor --verbose
+          pytest --pyargs idaes_flowsheet_processor --verbose
       - name: Upload coverage report as job artifact
         if: matrix.coverage
         uses: actions/upload-artifact@v4
diff --git a/src/flowsheet_processor/__init__.py b/src/idaes_flowsheet_processor/__init__.py
similarity index 100%
rename from src/flowsheet_processor/__init__.py
rename to src/idaes_flowsheet_processor/__init__.py
diff --git a/src/flowsheet_processor/api.py b/src/idaes_flowsheet_processor/api.py
similarity index 100%
rename from src/flowsheet_processor/api.py
rename to src/idaes_flowsheet_processor/api.py
diff --git a/src/flowsheet_processor/conftest.py b/src/idaes_flowsheet_processor/conftest.py
similarity index 100%
rename from src/flowsheet_processor/conftest.py
rename to src/idaes_flowsheet_processor/conftest.py
diff --git a/src/flowsheet_processor/tests/test_api.py b/src/idaes_flowsheet_processor/tests/test_api.py
similarity index 99%
rename from src/flowsheet_processor/tests/test_api.py
rename to src/idaes_flowsheet_processor/tests/test_api.py
index 878709c..508a91f 100644
--- a/src/flowsheet_processor/tests/test_api.py
+++ b/src/idaes_flowsheet_processor/tests/test_api.py
@@ -21,7 +21,7 @@
 from pyomo.environ import Var, value
 from pyomo.environ import SolverStatus, TerminationCondition
 
-import flowsheet_processor.api as fsapi
+import idaes_flowsheet_processor.api as fsapi
 
 pytest.importorskip(
     "watertap.flowsheets",