diff --git a/.github/workflows/ci-main.yml b/.github/workflows/ci-main.yml
index 8a60e18ef..05c19de41 100644
--- a/.github/workflows/ci-main.yml
+++ b/.github/workflows/ci-main.yml
@@ -40,7 +40,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
@@ -56,7 +56,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
@@ -79,7 +79,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: checkout stable
         run: |
           # Copy current, latest config to local
@@ -121,7 +121,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
@@ -148,7 +148,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
@@ -185,7 +185,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
@@ -230,7 +230,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}
diff --git a/.github/workflows/translation-compile.yml b/.github/workflows/translation-compile.yml
index 0d9db1158..9b1c7c7a0 100644
--- a/.github/workflows/translation-compile.yml
+++ b/.github/workflows/translation-compile.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/cache@v2.1.7
         with:
           path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-cache-v3-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-poetry-cache-v2-${{ hashFiles('**/poetry.lock') }}
       - name: prepare
         env:
           INSTALL: ${{ steps.cache-poetry.outputs.cache-hit }}