diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b87129e..8122407 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       image: erlang:${{matrix.otp_vsn}}
     strategy:
       matrix:
-        otp_vsn: [19.3, 20.3, 21.3, 22.3, 23.2]
+        otp_vsn: [21.3, 22.3, 23.2]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v2