diff --git a/.conda/recipe.yaml b/.conda/recipe.yaml
index 126c822..83f8df6 100644
--- a/.conda/recipe.yaml
+++ b/.conda/recipe.yaml
@@ -14,6 +14,11 @@ source:
 build:
   noarch: python
   script: pip install . -v
+  files:
+    include:
+      - "**/*.py"
+      - "**/*.json"
+      - "**/*.yaml"
 
 requirements:
   host:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a0fa00c..7542a92 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,15 +39,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Cache build
+        uses: actions/cache@v4
+        with:
+          path: /tmp/conda-bld
+          key: build-conda-${{ hashFiles('.conda/recipe.yaml') }}-${{ github.sha }}
+          restore-keys: |
+            build-conda-${{ hashFiles('.conda/recipe.yaml') }}
+            build-conda-
+
       - name: Build conda package
         uses: prefix-dev/rattler-build-action@v0.2.16
         with:
           build-args: --channel openfisca --channel conda-forge --output-dir /tmp/conda-bld
           recipe-path: .conda/recipe.yaml
           upload-artifact: false
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: openfisca_country_template
-          path: /tmp/conda-bld/**/*.conda
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 56087b8..4409ddf 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -55,6 +55,33 @@ jobs:
 
       - run: make test
 
+  test-conda:
+    runs-on: ubuntu-22.04
+    needs: [ build ]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup conda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          activate-environment: openfisca
+          miniforge-version: latest
+          python-version: 3.9.12
+          use-mamba: true
+
+      - name: Restore build
+        uses: actions/cache@v4
+        with:
+          path: /tmp/conda-bld
+          key: build-conda-${{ hashFiles('.conda/recipe.yaml') }}-${{ github.sha }}
+
+      - name: Install package
+        run: mamba install --channel file:///tmp/conda-bld --channel openfisca openfisca-country-template
+
+      - name: Test conda package
+        shell: bash -l {0}
+        run: openfisca test openfisca-country-template/tests
+
   test-api:
     runs-on: ubuntu-22.04
     needs: [ build ]