diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index d0b7032..69e0bc2 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -27,22 +27,24 @@ jobs:
         ghc: ['9.10.1', '9.8.2', '9.6.6', '9.4.8', '9.2.8', '9.0.2' ]
         deb: ['buster', 'slim-buster']
         include:
+          # bullseye (debian 11)
           - ghc: '9.10.1'
             ghc_minor: '9.10'
             deb: 'slim-bullseye'
           - ghc: '9.10.1'
             ghc_minor: '9.10'
             deb: 'bullseye'
-          - ghc: '9.10.1'
-            ghc_minor: '9.10'
-          - ghc: '9.8.2'
-            ghc_minor: '9.8'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
             deb: 'slim-bullseye'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
             deb: 'bullseye'
+          # buster (debian 10)
+          - ghc: '9.10.1'
+            ghc_minor: '9.10'
+          - ghc: '9.8.2'
+            ghc_minor: '9.8'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
           - ghc: '9.4.8'
@@ -82,18 +84,22 @@ jobs:
         deb: ['buster']
         arch: ['aarch64']
         include:
+          # bullseye (debian 11)
           - ghc: '9.10.1'
             ghc_minor: '9.10'
+            deb: 'bullseye'
+            arch: 'aarch64'
+          - ghc: '9.6.6'
+            ghc_minor: '9.6'
+            deb: 'bullseye'
+            arch: 'aarch64'
+          # buster (debian 10)
           - ghc: '9.10.1'
             ghc_minor: '9.10'
-            deb: 'bullseye'
           - ghc: '9.8.2'
             ghc_minor: '9.8'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
-          - ghc: '9.6.6'
-            ghc_minor: '9.6'
-            deb: 'bullseye'
           - ghc: '9.4.8'
             ghc_minor: '9.4'
           - ghc: '9.2.8'