diff --git a/.github/workflows/alt_linux_distros.yml b/.github/workflows/alt_linux_distros.yml
index 5583b2354..69223250e 100644
--- a/.github/workflows/alt_linux_distros.yml
+++ b/.github/workflows/alt_linux_distros.yml
@@ -141,7 +141,7 @@ jobs:
       - name: Install GTest
         run: ${{matrix.install_gtest}}
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Configure Trick
         run: |
           export MAKEFLAGS=-j`nproc`
diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index 32abf3e38..9db3e406b 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -32,7 +32,7 @@ jobs:
         dnf install -y gtest-devel gmock-devel
 
     - name: Checkout repository
-      uses: actions/checkout@master
+      uses: actions/checkout@v4
 
     - name: Configure Trick
       run: |
diff --git a/.github/workflows/python_tests_linux.yml b/.github/workflows/python_tests_linux.yml
index 63b475758..803f90790 100644
--- a/.github/workflows/python_tests_linux.yml
+++ b/.github/workflows/python_tests_linux.yml
@@ -140,7 +140,7 @@ jobs:
       - name: Install GTest
         run: ${{matrix.install_gtest}}
       - name: Checkout repository
-        uses: actions/checkout@master
+        uses: actions/checkout@v4
       - name: Info after checkout
         run: |
           pwd
diff --git a/.github/workflows/python_tests_macos.yml b/.github/workflows/python_tests_macos.yml
index b0027d273..10e7b8dc5 100644
--- a/.github/workflows/python_tests_macos.yml
+++ b/.github/workflows/python_tests_macos.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@master
+      uses: actions/checkout@v4
     - name: Install python
       run: |
         brew install python
diff --git a/.github/workflows/report_alt_linux_distros.yml b/.github/workflows/report_alt_linux_distros.yml
index 7ca302cce..57b782251 100644
--- a/.github/workflows/report_alt_linux_distros.yml
+++ b/.github/workflows/report_alt_linux_distros.yml
@@ -26,7 +26,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: dorny/test-reporter@v1
+    - uses: dorny/test-reporter@v4
       with:
         artifact: Trick_${{matrix.cfg.os}}${{matrix.cfg.tag}}_py${{matrix.python}} # artifact name
         name: Results_Trick_${{matrix.cfg.os}}${{matrix.cfg.tag}}_py${{matrix.python}} # Name of the check run which will be created
diff --git a/.github/workflows/report_linux.yml b/.github/workflows/report_linux.yml
index 907dc2b42..bd94b4f6e 100644
--- a/.github/workflows/report_linux.yml
+++ b/.github/workflows/report_linux.yml
@@ -20,7 +20,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: dorny/test-reporter@v1
+    - uses: dorny/test-reporter@v4
       with:
         artifact: Trick_${{matrix.cfg.os}}${{matrix.cfg.tag}}_py${{matrix.python}} # artifact name
         name: Results_Trick_${{matrix.cfg.os}}${{matrix.cfg.tag}}_py${{matrix.python}} # Name of the check run which will be created
diff --git a/.github/workflows/report_macos.yml b/.github/workflows/report_macos.yml
index 03b706c1a..1d1e4fbd5 100644
--- a/.github/workflows/report_macos.yml
+++ b/.github/workflows/report_macos.yml
@@ -12,7 +12,7 @@ jobs:
       
     runs-on: ubuntu-latest
     steps:
-    - uses: dorny/test-reporter@v1
+    - uses: dorny/test-reporter@v4
       with:
         artifact: Trick_macos # artifact name
         name: Results_Trick_macos # Name of the check run which will be created
diff --git a/.github/workflows/test_32_oracle.yml b/.github/workflows/test_32_oracle.yml
index c0850e095..b9d23d16d 100644
--- a/.github/workflows/test_32_oracle.yml
+++ b/.github/workflows/test_32_oracle.yml
@@ -56,7 +56,7 @@ jobs:
         make
         make install
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Build Trick
       run: |
         export CFLAGS="-m32"
diff --git a/.github/workflows/test_linux.yml b/.github/workflows/test_linux.yml
index eb07ed2e1..1c58ce6e3 100644
--- a/.github/workflows/test_linux.yml
+++ b/.github/workflows/test_linux.yml
@@ -129,7 +129,7 @@ jobs:
       - name: Install GTest
         run: ${{matrix.install_gtest}}
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Configure Trick
         run: |
           export MAKEFLAGS=-j`nproc`
diff --git a/.github/workflows/test_linux_py2.yml b/.github/workflows/test_linux_py2.yml
index ce2ef9bb0..6796a0dbe 100644
--- a/.github/workflows/test_linux_py2.yml
+++ b/.github/workflows/test_linux_py2.yml
@@ -129,7 +129,7 @@ jobs:
       - name: Install GTest
         run: ${{matrix.install_gtest}}
       - name: Checkout repository
-        uses: actions/checkout@master
+        uses: actions/checkout@v4
       - name: Configure Trick
         run: |
           export MAKEFLAGS=-j`nproc`
@@ -145,7 +145,7 @@ jobs:
           python3 -m venv .venv && . .venv/bin/activate && pip3 install -r requirements.txt
           cd ../../../; make test
       - name: Upload Tests
-        uses: actions/upload-artifact@v3.0.0
+        uses: actions/upload-artifact@v4
         if: success() || failure()    # run this step even if previous step failed
         with:
           name: Trick_${{matrix.cfg.os}}${{matrix.cfg.tag}}_py${{matrix.python}}
diff --git a/.github/workflows/test_macos.yml b/.github/workflows/test_macos.yml
index 1a365f79f..5d4fe860c 100644
--- a/.github/workflows/test_macos.yml
+++ b/.github/workflows/test_macos.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-13
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install gtest
       run: |
         brew install googletest
diff --git a/.github/workflows/trickops.yml b/.github/workflows/trickops.yml
index ff6878c2d..71c653639 100644
--- a/.github/workflows/trickops.yml
+++ b/.github/workflows/trickops.yml
@@ -31,10 +31,10 @@ jobs:
           source ../.venv/bin/activate
           export PATH="/tmp/koviz-master/bin:${PATH}"
           ./run_tests.py
-      - uses: actions/upload-artifact@v3.0.0
+      - uses: actions/upload-artifact@v4
         if: ${{ always() }}
         with:
-          name: doctests
+          name: doctests_${{ github.run_id }}_${{ github.job }}
           path: |
             share/trick/trickops/tests/*_doctest_log.txt
             /tmp/log.*
@@ -66,7 +66,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         if: ${{ always() }}
         with:
-          name: doctests
+          name: doctests_${{ github.run_id }}_${{ github.job }}
           path: |
             share/trick/trickops/tests/*_doctest_log.txt
             /tmp/log.*