diff --git a/.github/workflows/install_test.yml b/.github/workflows/install_test.yml
index b018b19516..3283111e72 100644
--- a/.github/workflows/install_test.yml
+++ b/.github/workflows/install_test.yml
@@ -29,10 +29,8 @@ jobs:
           - "3.11"
           - "pypy-3.7"
         include:
-          # python 3.5 + 3.6 is not supported with ubuntu-latest anymore so we need to
+          # python 3.6 is not supported with ubuntu-latest anymore so we need to
           # use ubuntu 20.04
-          - python_version: 3.5
-            os: ubuntu-20.04
           - python_version: 3.6
             os: ubuntu-20.04