diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 9e0cac2..73899b2 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -24,7 +24,7 @@ jobs:
         KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: system3-apk
         path: android/app/build/outputs/apk/release/app-release.apk
diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index 134c59b..0bc05c2 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -2,7 +2,7 @@ name: Emscripten Build
 on: [push, pull_request]
 
 env:
-  EM_VERSION: 3.1.44
+  EM_VERSION: 3.1.54
   EM_CACHE_FOLDER: 'emsdk-cache'
 
 jobs:
@@ -10,19 +10,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
     - name: Setup cache
       id: cache-system-libraries
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ${{env.EM_CACHE_FOLDER}}
         key: ${{env.EM_VERSION}}-${{ runner.os }}
 
     - name: Setup Emscripten toolchain
-      uses: mymindstorm/setup-emsdk@v12
+      uses: mymindstorm/setup-emsdk@v14
       with:
         version: ${{ env.EM_VERSION }}
         actions-cache-folder: ${{env.EM_CACHE_FOLDER}}
@@ -32,12 +32,12 @@ jobs:
         mkdir -p out/wasm
         cd out/wasm
         emcmake cmake -DCMAKE_BUILD_TYPE=Release ../../
-        make
+        make -j4
         mkdir system3
         mv system3.* system3/
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: system3-wasm
         path: out/wasm/system3
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 9bcebdd..50b38e2 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -10,7 +10,7 @@ jobs:
 
     name: Linux ${{ matrix.build-type }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -24,4 +24,4 @@ jobs:
         mkdir -p out/${{ matrix.build-type }}
         cd out/${{ matrix.build-type }}
         cmake -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} ../../
-        make
+        make -j4
diff --git a/.github/workflows/switch.yml b/.github/workflows/switch.yml
index a608f26..02b0e70 100644
--- a/.github/workflows/switch.yml
+++ b/.github/workflows/switch.yml
@@ -7,7 +7,7 @@ jobs:
     container: devkitpro/devkita64:latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -16,12 +16,12 @@ jobs:
         mkdir -p out/switch
         cd out/switch
         /opt/devkitpro/portlibs/switch/bin/aarch64-none-elf-cmake -DCMAKE_BUILD_TYPE=Release ../../
-        make
+        make -j4
         mkdir system3
         mv system3.* system3/
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: system3-switch
         path: out/switch/system3
diff --git a/.github/workflows/windows-msvc.yml b/.github/workflows/windows-msvc.yml
index 0d520dc..fad972b 100644
--- a/.github/workflows/windows-msvc.yml
+++ b/.github/workflows/windows-msvc.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -30,7 +30,8 @@ jobs:
         cp ../COPYING.txt artifacts/
 
     - name: Upload
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ matrix.package }}
         path: out/artifacts
+        compression-level: 9  # because we use it for releases
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 7de9c10..1166a56 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -25,7 +25,7 @@ jobs:
           SDL2_ttf:p
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: true