diff --git a/.github/workflows/create-executables.yaml b/.github/workflows/create-executables.yaml
index 4ceb6ac0..92f0764d 100644
--- a/.github/workflows/create-executables.yaml
+++ b/.github/workflows/create-executables.yaml
@@ -28,7 +28,7 @@ jobs:
         uses: taiki-e/install-action@just
 
       - name: Install the project
-        run: just sync
+        run: just sync-locked
 
       - name: Create executable
         run: just create-executable
diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index 30e01bc3..180a8dca 100644
--- a/.github/workflows/deploy-docs.yaml
+++ b/.github/workflows/deploy-docs.yaml
@@ -35,7 +35,7 @@ jobs:
         uses: taiki-e/install-action@just
 
       - name: Install the project
-        run: just sync
+        run: just sync-locked
 
       - name: Build docs
         run: just build-docs
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 9d120f09..47251dd3 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -33,7 +33,7 @@ jobs:
         uses: taiki-e/install-action@just
 
       - name: Install the project
-        run: just sync
+        run: just sync-locked
 
       - name: Test
         run: just test-coverage
diff --git a/.github/workflows/update-files.yaml b/.github/workflows/update-files.yaml
index 7f3a2f4d..852eea02 100644
--- a/.github/workflows/update-files.yaml
+++ b/.github/workflows/update-files.yaml
@@ -23,7 +23,7 @@ jobs:
         uses: taiki-e/install-action@just
 
       - name: Install the project
-        run: just sync
+        run: just sync-locked
 
       - name: Set Git credentials
         run: |
diff --git a/justfile b/justfile
index d9a091c5..05ad9419 100644
--- a/justfile
+++ b/justfile
@@ -2,6 +2,9 @@
 sync:
   uv sync --all-extras --all-groups
 
+sync-locked:
+  uv sync --locked --all-extras --all-groups
+
 format:
   uv run --locked black src tests
   uv run --locked ruff check --fix src tests
diff --git a/pyproject.toml b/pyproject.toml
index d4c7e2e6..5137ce3d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,14 +27,6 @@ requires = ["uv_build>=0.9.5,<0.10.0"] # Packages needed to build RenderCV
 # See https://peps.python.org/pep-0517/
 build-backend = "uv_build" # Build-backend object for building RenderCV
 
-[tool.hatch.build.targets.sdist]
-# In the sdist, what do we want to exclude? GIF files are large.
-exclude = ["*.gif"]
-
-[tool.hatch.build.targets.wheel]
-# In the wheel, what do we want to include and exclude?
-packages = ["rendercv"]
-
 [project]
 # Metadata about RenderCV.
 name = 'rendercv'
@@ -123,6 +115,12 @@ docs = [
 # RenderCV uses various tools to check code quality, format code, build docs, and package the project.
 # Their configurations are specified below so contributors and IDEs can pick them up automatically.
 
+[tool.uv]
+default-groups = "all"
+
+[tool.uv.pip]
+all-extras = true
+
 [tool.ruff]
 line-length = 88