diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ddf904ef..3bcc46e0c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -89,7 +89,7 @@ jobs:
           path: |
             nimbledeps/
             nimble.paths
-          key: ${{ runner.os }}-nimbledeps-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
+          key: ${{ runner.os }}-nimbledeps-v2-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
 
       - name: Install nimble deps
         if: steps.cache-nimbledeps.outputs.cache-hit != 'true'
@@ -142,7 +142,7 @@ jobs:
           path: |
             nimbledeps/
             nimble.paths
-          key: ${{ runner.os }}-nimbledeps-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
+          key: ${{ runner.os }}-nimbledeps-v2-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
 
       - name: Install nimble deps
         if: steps.cache-nimbledeps.outputs.cache-hit != 'true'
@@ -207,7 +207,7 @@ jobs:
           path: |
             nimbledeps/
             nimble.paths
-          key: ${{ runner.os }}-nimbledeps-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
+          key: ${{ runner.os }}-nimbledeps-v2-nimble${{ env.NIMBLE_VERSION }}-${{ hashFiles('nimble.lock', 'BearSSL.mk', 'Nat.mk') }}
 
       - name: Install nimble deps
         if: steps.cache-nimbledeps.outputs.cache-hit != 'true'