diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a66bfb9..9a703d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,9 +7,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - { rust: "1.48", required: false }  # debian 11
-          - { rust: "1.63", required: false }  # debian 12
-          - { rust: "1.70", required: false }  # debian 13
+          - { rust: "1.73", required: false }
+          - { rust: "1.74", required: false }
           - { rust: stable, required: true }
           - { rust: nightly, required: true }
     steps: