diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c523ad4..234f9b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Install nimble
         uses: nim-lang/setup-nimble-action@v1
         with:
-          nimble-version: "0.22.3"
+          nimble-version: "0.18.2"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Build
         run: nimble install -y