diff --git a/.github/workflows/perf.yml b/.github/workflows/perf.yml
index e5fb651..8fddba3 100644
--- a/.github/workflows/perf.yml
+++ b/.github/workflows/perf.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
     env:
-      DFX_VERSION: 0.21.0
+      DFX_VERSION: 0.20.0
       IC_REPL_VERSION: 0.7.0
       MOC_VERSION: 0.13.0
       IC_WASM_VERSION: 0.7.0