diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 154e352..7c12bc5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,6 +42,8 @@ jobs:
     steps:
     - uses: lukka/get-cmake@v3.18.3
     - uses: vsariola/setup-wabt@v1.0.1
+      with:
+        version: 1.0.20
     - uses: actions/setup-go@v2
     - uses: actions/setup-node@v2
       with: