diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd1ec81..5f7afe6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,13 @@ jobs:
             ${{ runner.os }}-test-${{ env.cache-name }}-
             ${{ runner.os }}-test-
             ${{ runner.os }}-
+      - name: CPE
+        shell: julia --project=@. {0}
+        run: |
+          using Pkg
+          Pkg.add([
+              PackageSpec(name="ConstraintProgrammingExtensions", rev="master"),
+          ])
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
diff --git a/Project.toml b/Project.toml
index 9443fc2..c354b3a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Chuffed"
 uuid = "a105ee56-0da9-4c5a-a151-cc7e299d31db"
 authors = ["Thibaut Cuvelier <cuvelier.thibaut@gmail.com>"]
-repo = "https://github.com/dourouc05/Chuffed.jl"
+repo = "https://github.com/JuliaConstraints/Chuffed.jl"
 version = "0.3.0"
 
 [deps]
@@ -11,7 +11,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Chuffed_jll = "77125aae-c893-5498-99e3-e30470bfa328"
 
 [compat]
-julia = "^1.5"
-MathOptInterface = "^0.10"
-ConstraintProgrammingExtensions = "^0.6.1"
+julia = "1.6"
+MathOptInterface = "1"
+ConstraintProgrammingExtensions = "0.7"
 Chuffed_jll = "=0.10.4"