diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb38ae31..c3994566 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -91,7 +91,7 @@ jobs:
           path: |
             ~/python
             ~/ssl
-          key: ${{ matrix.os }}-${{ matrix.jid }}-20201205
+          key: ${{ matrix.os }}-${{ matrix.jid }}-20201207
 
       - name: Set env variables
         env: