diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1fbe0e5..c5fb3df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,11 +21,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['20.3', '21.3', '24.3', '25']
+        otp: ['21.3', '24.3', '25']
         rebar: ['rebar3']
         include:
-        - otp: '20.3'
-          os: ubuntu-20.04
         - otp: '21.3'
           os: ubuntu-20.04
         - otp: '24.3'