diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 61535b3..627ef76 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: iffy/install-nim@v4
+      - uses: iffy/install-nim@v5
         with:
           version: ${{ matrix.nimversion }}
         env: