diff --git a/.github/workflows/check-dependencies.yml b/.github/workflows/check-dependencies.yml
new file mode 100644
index 0000000..a92d69d
--- /dev/null
+++ b/.github/workflows/check-dependencies.yml
@@ -0,0 +1,22 @@
+name: test-dependencies
+on:
+  pull_request:
+  push:
+    branches:
+      - gnome-46-2404-sdk
+
+jobs:
+  check-deps:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:rolling
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install dependencies (Ubuntu)
+        run: |
+          apt-get update
+          DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends python3 python3-yaml
+      - name: Verify dependencies
+        run: |
+          tools/check_dependencies.py
diff --git a/snapcraft.yaml b/snapcraft.yaml
index 6dd82a8..0d31343 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -1335,7 +1335,7 @@ parts:
       done
 
   debs:
-    after: [ libgnome-games-support, libadwaita, libgweather, libayatana-appindicator, libsoup3 ]
+    after: [ libgnome-games-support, libadwaita, libgweather, libayatana-appindicator, libsoup3, librest, at-spi2-core, webp-pixbuf-loader ]
     plugin: nil
     stage-packages:
       - appstream
diff --git a/tools/check_dependencies.py b/tools/check_dependencies.py
new file mode 100755
index 0000000..6483f3c
--- /dev/null
+++ b/tools/check_dependencies.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import yaml
+
+# Ensure that "deb" part depends on all previous parts
+
+config_file = "snapcraft.yaml"
+if not os.path.exists(config_file):
+    config_file = os.path.join("snap", "snapcraft.yaml")
+
+data = yaml.safe_load(open(config_file, "r"))
+
+exceptions = ['buildenv']
+
+def filldeps(part):
+    """ Fill recursively the dependencies of each part """
+    global data
+    output = []
+    if 'after' in data['parts'][part]:
+        for dep in data['parts'][part]['after']:
+            # it's not a problem to have duplicated dependencies
+            output += filldeps(dep)
+            output.append(dep)
+    return output
+
+dependencies = {}
+
+# get the dependencies for each part
+for part in data["parts"]:
+    dependencies[part] = filldeps(part)
+
+deb_dependencies = []
+for part in data["parts"]:
+    if "debs" == part:
+        continue
+    if "debs" in dependencies[part]:
+        # if it depends on debs, it must be after, so don't take it into account
+        continue
+    if part in exceptions:
+        continue
+    deb_dependencies.append(part)
+
+failed = False
+for dependency in deb_dependencies:
+    if dependency not in dependencies["debs"]:
+        print(f"DEBS part must be after {dependency}")
+        failed = True
+
+if failed:
+    sys.exit(1)
+print("All dependencies are correct")