diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fd8917e81..abaec4634 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -87,7 +87,7 @@ jobs:
       - name: install system dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y openmpi-bin libopenmpi3 libopenmpi-dev
+          sudo apt-get install -y openmpi-bin libopenmpi-dev
 
       - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
 
@@ -158,7 +158,7 @@ jobs:
         if: runner.os == 'Linux'
         run: |
           sudo apt-get update
-          sudo apt-get install -y openmpi-bin libopenmpi3 libopenmpi-dev
+          sudo apt-get install -y openmpi-bin libopenmpi-dev
 
       - name: install system dependencies (macOS)
         if: runner.os == 'macOS'
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index aecb90162..7d028e85b 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -32,7 +32,7 @@ jobs:
       - name: install system dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y openmpi-bin libopenmpi3 libopenmpi-dev
+          sudo apt-get install -y openmpi-bin libopenmpi-dev
 
       - name: install haddock3 with extra dependencies
         run: pip install '.[dev,docs]'