diff --git a/.gitlab/ci/cibuildwheel_build_deps_before_build_wheel.ps1 b/.gitlab/ci/cibuildwheel_build_deps_before_build_wheel.ps1
index 8c5611ad3b07e5d8dc8825a537a665d710ae20e2..c763666682227376e857fc99695ebf6c1ebfdb7b 100644
--- a/.gitlab/ci/cibuildwheel_build_deps_before_build_wheel.ps1
+++ b/.gitlab/ci/cibuildwheel_build_deps_before_build_wheel.ps1
@@ -7,7 +7,9 @@ if ($deps.Length -eq 0) {
     New-Item -ItemType Directory -Force -Path ".\build" | Out-Null
     Remove-Item -Path ".\build\*" -Recurse -Force
 } else {
+    Write-Host "Retrieving dependencies necessary to build current package"
     foreach ($repo in $DEPS) {
+        Write-Host "Retrieving : $repo" 
         $repoPath = Get-ChildItem -Path "/host/home/" -Directory -Filter $repo -Recurse | 
                     Where-Object { $_.FullName -notmatch 'install' -and
                                     $_.FullName -notmatch '.git' -and
@@ -19,10 +21,13 @@ if ($deps.Length -eq 0) {
                     Select-Object -First 1 -ExpandProperty FullName
 
         if (-not [string]::IsNullOrEmpty($repoPath)) {
+            Write-Host "Retrieving : $repo" 
             Set-Location $repoPath
             New-Item -Path ".\build" -ItemType Directory -Force | Out-Null
             Get-ChildItem -Path ".\build" -File | Remove-Item -Force
             pip install . -Verbose
+        } else { 
+            throw "$repo not found, aborting."
         }
     }
 }
diff --git a/pyproject.toml b/pyproject.toml
index aa97e26dcaeccdc8587b01d1a1bb1db85a8eb572..5b203c9dd0a6349eacecc5a8940edd153d201839 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,9 +23,15 @@ build-frontend = "build"
 # aidge_core do not rely on any aidge dependency, hence this string is empty
 AIDGE_DEPENDENCIES = "" # format => "dep_1 dep_2 ... dep_n"
 [tool.cibuildwheel.linux]
-before-build = ["bash .gitlab/ci/cibuildwheel_build_deps_before_build_wheel.sh ${AIDGE_DEPENDENCIES}"]
+before-build = [
+    'echo "dependencies to retrieve : ${AIDGE_DEPENDENCIES}',
+    "bash .gitlab/ci/cibuildwheel_build_deps_before_build_wheel.sh ${AIDGE_DEPENDENCIES}"
+    ]
 [tool.cibuildwheel.windows]
-before-build = [".\\.gitlab\\ci\\cibuildwheel_build_deps_before_build_wheel.ps1 --deps ${AIDGE_DEPENDENCIES}"]
+before-build = [
+    'Write-Host "dependencies to retrieve : $env:{AIDGE_DEPENDENCIES}',
+    ".\\.gitlab\\ci\\cibuildwheel_build_deps_before_build_wheel.ps1 --deps $env:{AIDGE_DEPENDENCIES}"
+    ]
 
 #####################################################
 # SETUPTOOLS