diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index 7386d86..edb1cf9 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -33,6 +33,12 @@ jobs:
             ghc_minor: '9.4'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
+          - ghc: '9.6.6'
+            ghc_minor: '9.6'
+            deb: 'bullseye'
+          - ghc: '9.6.6'
+            ghc_minor: '9.6'
+            deb: 'slim-bullseye'
           - ghc: '9.8.2'
             ghc_minor: '9.8'
           - ghc: '9.10.1'
@@ -75,6 +81,9 @@ jobs:
             ghc_minor: '9.4'
           - ghc: '9.6.6'
             ghc_minor: '9.6'
+          - ghc: '9.6.6'
+            ghc_minor: '9.6'
+            deb: 'bullseye'
           - ghc: '9.8.2'
             ghc_minor: '9.8'
           - ghc: '9.10.1'