diff --git a/.github/workflows/gdext.yml b/.github/workflows/gdext.yml
index 41b5fa3..c3e7748 100644
--- a/.github/workflows/gdext.yml
+++ b/.github/workflows/gdext.yml
@@ -88,12 +88,13 @@ jobs:
         id: cache-godot-cpp
         with:
           path: |
-            gdext/godot-cpp
-          key: ${{ runner.os }}-${{ hashFiles('gdext/godot-cpp/gdextension/extension_api.json') }}
+            gdext/scons_cache
+          key: godot-cpp-${{ runner.os }}-${{ hashFiles('gdext/godot-cpp/gdextension/extension_api.json') }}
 
       - name: Build debug
         run: |
           cd gdext
+          ls -R
           scons
 
       - name: Build release
diff --git a/.gitignore b/.gitignore
index 3633094..ce18ceb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,4 @@ gdext/proj/addons/imgui-godot/
 gdext/samples/project/addons/
 addons/imgui-godot/imgui-godot-native.gdextension
 addons/imgui-godot/include/*.h
+scons_cache
diff --git a/gdext/SConstruct b/gdext/SConstruct
index 3d5c6be..f4150ac 100644
--- a/gdext/SConstruct
+++ b/gdext/SConstruct
@@ -6,7 +6,7 @@ import shutil
 import subprocess
 
 env = SConscript("godot-cpp/SConstruct")
-env = env.Clone()
+env.CacheDir("scons_cache")
 env.Append(CPPDEFINES=['IMGUI_USER_CONFIG="\\"imconfig-godot.h\\""', "IGN_EXPORT"])
 env.Append(CPPPATH=["src/", "imgui/", "include/", "gen/"])
 env.Replace(CXXFLAGS=str(env["CXXFLAGS"]).replace("c++17", "c++20"))