diff --git a/.github/workflows/test_examples.yml b/.github/workflows/test_examples.yml
index ac5621e72..f1edf5776 100644
--- a/.github/workflows/test_examples.yml
+++ b/.github/workflows/test_examples.yml
@@ -17,7 +17,7 @@ jobs:
            py: "/usr/bin/python3" #python 3.10
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Preinstall
         run: |
           sudo apt-get update
diff --git a/.github/workflows/testing_OSX.yml b/.github/workflows/testing_OSX.yml
index 38ca85b47..ffc39046f 100644
--- a/.github/workflows/testing_OSX.yml
+++ b/.github/workflows/testing_OSX.yml
@@ -16,7 +16,7 @@ jobs:
             py: "/usr/bin/python3"
     steps:
      - name: Checkout repository 
-       uses: actions/checkout@v3 
+       uses: actions/checkout@v4 
      - name: Preinstall 
        run: | 
          brew install hdf5 fftw cfitsio muparser libomp numpy swig
@@ -42,7 +42,7 @@ jobs:
          make test
      - name: Archive test results
        if: always()
-       uses: actions/upload-artifact@v3
+       uses: actions/upload-artifact@v4
        with:
          name: "test-report_${{matrix.config.name}}"
          path: build/Testing/Temporary/LastTest.log
diff --git a/.github/workflows/testing_ubuntu20.yml b/.github/workflows/testing_ubuntu20.yml
index 83acbf7fc..54e0f834e 100644
--- a/.github/workflows/testing_ubuntu20.yml
+++ b/.github/workflows/testing_ubuntu20.yml
@@ -17,7 +17,7 @@ jobs:
            py: "/usr/bin/python3" #python 3.8
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Preinstall
         run: |
           sudo apt-get update
@@ -41,7 +41,7 @@ jobs:
           make test
       - name: Archive test results
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "test-report_${{matrix.config.name}}"
           path: build/Testing/Temporary/LastTest.log
\ No newline at end of file
diff --git a/.github/workflows/testing_ubuntu22.yml b/.github/workflows/testing_ubuntu22.yml
index 7991cf631..775a88d25 100644
--- a/.github/workflows/testing_ubuntu22.yml
+++ b/.github/workflows/testing_ubuntu22.yml
@@ -17,7 +17,7 @@ jobs:
            py: "/usr/bin/python3" #python 3.10
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Preinstall
         run: |
           sudo apt-get update
@@ -41,7 +41,7 @@ jobs:
           make test
       - name: Archive test results
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "test-report_${{matrix.config.name}}"
           path: build/Testing/Temporary/LastTest.log
diff --git a/README.md b/README.md
index e55b42521..63499d112 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,14 @@ CRPropa
 ========
 
 ![stable release](https://img.shields.io/badge/stable\_release-3.2.1-darkblue)
-[![Build status](https://github.com/crpropa/crpropa3/actions/workflows/testing.yml/badge.svg)](https://github.com/crpropa/crpropa3/actions/)
-[![Average time to resolve an issue](https://isitmaintained.com/badge/resolution/CRPropa/CRPropa3.svg)](https://isitmaintained.com/project/CRPropa/CRPropa3)
-[![Percentage of issues still open](https://isitmaintained.com/badge/open/CRPropa/CRPropa3.svg)](https://isitmaintained.com/project/CRPropa/CRPropa3)
+
+[![Build: ubuntu22](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_ubuntu22.yml/badge.svg)](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_ubuntu22.yml)
+[![Build: ubuntu20](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_ubuntu20.yml/badge.svg)](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_ubuntu20.yml)
+[![Build: macos14](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_OSX.yml/badge.svg)](https://github.com/CRPropa/CRPropa3/actions/workflows/testing_OSX.yml)
+[![Examples](https://github.com/CRPropa/CRPropa3/actions/workflows/test_examples.yml/badge.svg)](https://github.com/CRPropa/CRPropa3/actions/workflows/test_examples.yml)
+
+![Issues](https://img.shields.io/github/issues/crpropa/CRPropa3)
+![GitHub Issues or Pull Requests](https://img.shields.io/github/issues-pr/crpropa/CRPropa3)
 
 [![DOI:10.1088/1475-7516/2022/09/035](http://img.shields.io/badge/DOI-10.1088/1475-7516/2022/09/035.svg)](<https://doi.org/10.1088/1475-7516/2022/09/035>)
 [![arXiv](https://img.shields.io/badge/arXiv-2208.00107-b31b1b.svg)](https://arxiv.org/abs/2208.00107)