diff --git a/.github/workflows/test_ert.yml b/.github/workflows/test_ert.yml
index ca88760bd52..74225ebe113 100644
--- a/.github/workflows/test_ert.yml
+++ b/.github/workflows/test_ert.yml
@@ -50,7 +50,7 @@ jobs:
 
     - name: Install ert
       run: |
-        uv sync --group dev
+        uv sync --no-editable --group dev
 
     # Randomizes test ordering (and reseeds RNGs) to detect order-dependent
     # flaky tests. The chosen seed is printed in
@@ -65,7 +65,7 @@ jobs:
       run: |
         touch storage
         chmod 000 storage
-        uv run just ert-gui-tests
+        uv run --no-editable just ert-gui-tests
         chmod 700 storage
         rm storage
 
@@ -83,7 +83,7 @@ jobs:
       run: |
         touch storage
         chmod 000 storage
-        uv run just ert-cli-tests
+        uv run --no-editable just ert-cli-tests
         chmod 700 storage
         rm storage
 
@@ -92,7 +92,7 @@ jobs:
       run: |
         touch storage
         chmod 000 storage
-        uv run just ert-unit-tests
+        uv run --no-editable just ert-unit-tests
         ERT_PYTEST_ARGS='--cov=ert --cov=everest --cov=_ert --cov-report=xml:cov_docs.xml --junit-xml=junit-doc.xml -o junit_family=legacy -v --durations=25 --benchmark-disable' uv run just ert-doc-tests
         ERT_PYTEST_ARGS='--cov=ert --cov=everest --cov=_ert --cov-report=xml:cov_mem.xml --junit-xml=junit-mem.xml -o junit_family=legacy -v --durations=25 --benchmark-disable' uv run just ert-memory-tests
         chmod 700 storage
@@ -136,7 +136,7 @@ jobs:
 
     - name: Test CLI
       run: |
-        uv run ert --help
+        uv run --no-editable ert --help
 
     - name: Test for a clean repository
       run: |