diff --git a/.github/workflows/web_builds.yml b/.github/workflows/web_builds.yml
index 6de6eeaf2e06..d314991feee6 100644
--- a/.github/workflows/web_builds.yml
+++ b/.github/workflows/web_builds.yml
@@ -7,7 +7,7 @@ env:
   # Used for the cache key. Add version suffix to force clean build.
   GODOT_BASE_BRANCH: master
   SCONSFLAGS: verbose=yes warnings=extra werror=yes debug_symbols=no
-  EM_VERSION: 3.1.45
+  EM_VERSION: 3.1.39
   EM_CACHE_FOLDER: "emsdk-cache"
 
 concurrency: