diff --git a/.github/workflows/of.yml b/.github/workflows/of.yml
index 94c3207e23d..350ca11b2d7 100644
--- a/.github/workflows/of.yml
+++ b/.github/workflows/of.yml
@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Docker Step
-        run: "docker run -di --name emscripten -v $PWD:/src emscripten/emsdk:3.1.74 bash"
+        run: "docker run -di --name emscripten -v $PWD:/src emscripten/emsdk:4.0.4 bash"
       # - name: Determine Release
       #   id: vars
       #   shell: bash
diff --git a/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk b/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
index fbf727183de..59e285fae08 100644
--- a/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
+++ b/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
@@ -231,7 +231,6 @@ PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/fmod/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/openssl/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/curl/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/rtAudio/%
-PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/brotli/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/cairo/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/download/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/pixman/%
diff --git a/scripts/emscripten/install_emscripten.sh b/scripts/emscripten/install_emscripten.sh
index de87c37610d..cecd6d960ec 100755
--- a/scripts/emscripten/install_emscripten.sh
+++ b/scripts/emscripten/install_emscripten.sh
@@ -2,7 +2,7 @@
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 cd $SCRIPT_DIR
 
-VERSION=3.1.74
+VERSION=4.0.4
 
 CHECKOUT=$1