diff --git a/.github/workflows/full-regression.yml b/.github/workflows/full-regression.yml
index d13e8eb385..106bda9d2e 100644
--- a/.github/workflows/full-regression.yml
+++ b/.github/workflows/full-regression.yml
@@ -31,7 +31,8 @@ jobs:
     - name: Install extra packages
       run: |
         sudo apt-get install -y ccache ninja-build libeigen3-dev \
-                     libgsl-dev libcurl4-openssl-dev python3-dev
+                     libgsl-dev libcurl4-openssl-dev python3-dev \
+                     mpi-default-bin mpi-default-dev
 
     - name: Create Build Environment
       run: mkdir build
diff --git a/.github/workflows/quick-regression.yml b/.github/workflows/quick-regression.yml
index 618a3f87ae..0d432044b0 100644
--- a/.github/workflows/quick-regression.yml
+++ b/.github/workflows/quick-regression.yml
@@ -31,7 +31,8 @@ jobs:
     - name: Install extra packages
       run: |
         sudo apt-get install -y ccache ninja-build libeigen3-dev \
-                     libgsl-dev libcurl4-openssl-dev python3-dev
+                     libgsl-dev libcurl4-openssl-dev python3-dev \
+                     mpi-default-bin mpi-default-dev
 
     - name: Create Build Environment
       run: mkdir build