diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0b7b7447..fab0e63e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -99,7 +99,7 @@ jobs:
           path: |
             ~/python
             ~/ssl
-          key: ${{ matrix.os }}-${{ matrix.jid }}-20210611
+          key: ${{ matrix.os }}-${{ matrix.jid }}-20210628
 
       - name: Set env variables
         env: