diff --git a/.github/workflows/build_wasm_postgres.yml b/.github/workflows/build_wasm_postgres.yml
index 1ac09b7a..d345ac62 100644
--- a/.github/workflows/build_wasm_postgres.yml
+++ b/.github/workflows/build_wasm_postgres.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       PGVERSION: 16.3
-      SDK_VERSION: 3.1.65.8bi
+      SDK_VERSION: 3.1.65.6bi
       SDK_ARCHIVE: python3.12-wasm-sdk-Ubuntu-22.04.tar.lz4
       SDKROOT: /opt/python-wasm-sdk
       SYS_PYTHON: /usr/bin/python3