diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee9895808..4671e1c07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,7 +34,7 @@ jobs:
           - besm6 imlac tt2500 microvax3900 microvax1 rtvax1000 vaxstation3100m76 vaxstation4000m60
           - scelbi 3b2 i701 i704 i7010 i7070 i7080 i7090 sigma uc15 i650 sel32 intel-mds ibm1130
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install dependencies
         if: ${{runner.os == 'macOS'}}
         run: sh -ex .travis/deps.sh osx
diff --git a/.github/workflows/cmake-builds.yml b/.github/workflows/cmake-builds.yml
index dec03bb71..10ca3e327 100644
--- a/.github/workflows/cmake-builds.yml
+++ b/.github/workflows/cmake-builds.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04, ubuntu-22.04]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         sh -ex .travis/deps.sh linux
@@ -32,7 +32,7 @@ jobs:
         cd cmake/build-ninja
         cpack -G DEB -C Release
     - name: Upload DEB
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-x86_64-${{matrix.os}}.deb
         path: cmake/build-ninja/simh-4.1.0-x86_64-${{matrix.os}}.deb
@@ -45,7 +45,7 @@ jobs:
       matrix:
         os: [macos-12, macos-11]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     ## For some reason, the macos-11 image has symlinks to /Library in /usr/local/bin
     - name: Clean /usr/local/bin symlinks
       run: |
@@ -72,12 +72,12 @@ jobs:
         cpack -G "ZIP;TGZ" -C Release
         cpack -G DragNDrop -C Release
     - name: Upload ZIP
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-x86_64.${{matrix.os}}.zip
         path: cmake/build-xcode/simh-4.1.0-x86_64.${{matrix.os}}.zip
     - name: Upload DMG
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-x86_64.${{matrix.os}}.dmg
         path: cmake/build-xcode/simh-4.1.0-x86_64.${{matrix.os}}.dmg
@@ -97,7 +97,7 @@ jobs:
   #     matrix:
   #       os: [macos-12]
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
   #   - name: Install dependencies
   #     run: |
   #       sh -ex .travis/deps.sh osx
@@ -113,7 +113,7 @@ jobs:
     name: VS 2022 XP-compatible LEGACY
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install v141_xp (XP toolkit) and build SIMH
       shell: pwsh
       run: |
@@ -167,21 +167,21 @@ jobs:
           cd cmake\build-vs2022-xp
           cpack -G "ZIP;WIX" -C Release
     - name: Upload ZIP
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-win32-vs2022xp.zip
         path: cmake/build-vs2022-xp/simh-4.1.0-win32-xp.zip
     - name: Upload MSI
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
-        name: simh-4.1.0-win32-vs2022xp.zip
+        name: simh-4.1.0-win32-vs2022xp.msi
         path: cmake/build-vs2022-xp/simh-4.1.0-win32-xp.msi     
 
   cmake-vs2022:
     name: VS 2022 Win10 native VCPKG
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: vs2022 build
       shell: pwsh
       run: |
@@ -214,17 +214,17 @@ jobs:
           cd cmake\build-vs2022
           cpack -G "NSIS;WIX;ZIP" -C Release
     - name: Upload ZIP
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-win32-vs2022.zip
         path: cmake/build-vs2022/simh-4.1.0-win32-native.zip
     - name: Upload EXE installer
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-win32-vs2022.exe
         path: cmake/build-vs2022/simh-4.1.0-win32-native.exe
     - name: Upload MSI installer
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: simh-4.1.0-win32-vs2022.msi
         path: cmake/build-vs2022/simh-4.1.0-win32-native.msi
diff --git a/.github/workflows/coverity-scan.yml b/.github/workflows/coverity-scan.yml
index 4c5d568b6..a665886fd 100644
--- a/.github/workflows/coverity-scan.yml
+++ b/.github/workflows/coverity-scan.yml
@@ -16,7 +16,7 @@ jobs:
         id: "determine-repo"
         run: echo "repo=${GITHUB_REPOSITORY}" >> $GITHUB_OUTPUT
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Download Coverity Build Tool
         run: |
           wget -q https://scan.coverity.com/download/cxx/linux64 --post-data "token=$TOKEN&project=open-simh%2Fsimh" -O cov-analysis-linux64.tar.gz
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 936508529..53968b8f3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,13 +15,13 @@ jobs:
     runs-on: ubuntu-22.04
     needs: [build]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Make staging directory
         run: |
           rm -rf work/open-simh/open-simh/staging/
           mkdir -p work/open-simh/open-simh/staging/
       - name: Download packages
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: ~/work/open-simh/open-simh/staging/
       - name: Show it!