diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a822cb1..151ee8b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,11 +19,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - 2.3
-          - 2.4
-          - 2.5
-          - 2.6
-          - 2.7
           - "3.0"
           - 3.1
           - 3.2
@@ -35,16 +30,6 @@ jobs:
           - "~> 4.x"
           - "~> 5.x"
         exclude:
-          - ruby-version: 2.3
-            resque-version: "~> 1.27"
-          - ruby-version: 2.5
-            resque-version: "~> 2.4.0"
-          - ruby-version: 2.5
-            resque-version: master
-          - ruby-version: 2.3
-            redis-version: "~> 5.x"
-          - ruby-version: 2.4
-            redis-version: "~> 5.x"
           - resque-version: "~> 1.27"
             redis-version: "~> 5.x"
     env: