diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b6c28bf7f46263..339569ab4ab929 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -64,7 +64,7 @@ jobs:
       - name: Install dependencies
         run: |
             sudo ./.github/workflows/posix-deps-apt.sh
-            sudo apt-get install -yq abigail-tools
+            sudo apt-get install -yq --no-install-recommends abigail-tools
       - name: Build CPython
         env:
           CFLAGS: -g3 -O0
diff --git a/.github/workflows/posix-deps-apt.sh b/.github/workflows/posix-deps-apt.sh
index 7773222af5d26f..21f5e22bb99e2d 100755
--- a/.github/workflows/posix-deps-apt.sh
+++ b/.github/workflows/posix-deps-apt.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 apt-get update
 
-apt-get -yq install \
+apt-get -yq --no-install-recommends install \
     build-essential \
     pkg-config \
     ccache \
diff --git a/.github/workflows/regen-abidump.sh b/.github/workflows/regen-abidump.sh
index 251bb3857ecfcb..75a1a72e370202 100644
--- a/.github/workflows/regen-abidump.sh
+++ b/.github/workflows/regen-abidump.sh
@@ -2,7 +2,7 @@ set -ex
 
 export DEBIAN_FRONTEND=noninteractive
 ./.github/workflows/posix-deps-apt.sh
-apt-get install -yq abigail-tools python3
+apt-get install -yq --no-install-recommends abigail-tools python3
 export CFLAGS="-g3 -O0"
 ./configure --enable-shared && make
 make regen-abidump
diff --git a/.github/workflows/reusable-docs.yml b/.github/workflows/reusable-docs.yml
index fc68c040fca059..c1e58fd44d3790 100644
--- a/.github/workflows/reusable-docs.yml
+++ b/.github/workflows/reusable-docs.yml
@@ -92,7 +92,7 @@ jobs:
         restore-keys: |
           ubuntu-doc-
     - name: 'Install Dependencies'
-      run: sudo ./.github/workflows/posix-deps-apt.sh && sudo apt-get install wamerican
+      run: sudo ./.github/workflows/posix-deps-apt.sh && sudo apt-get install --no-install-recommends wamerican
     - name: 'Configure CPython'
       run: ./configure --with-pydebug
     - name: 'Build CPython'
diff --git a/.github/workflows/reusable-ubuntu.yml b/.github/workflows/reusable-ubuntu.yml
index ad725e92f2b20f..9a98693ac12a6b 100644
--- a/.github/workflows/reusable-ubuntu.yml
+++ b/.github/workflows/reusable-ubuntu.yml
@@ -42,7 +42,7 @@ jobs:
       if: ${{ fromJSON(inputs.bolt-optimizations) }}
       run: |
         sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh 19
-        sudo apt-get install bolt-19
+        sudo apt-get install --no-install-recommends bolt-19
         echo PATH="$(llvm-config-19 --bindir):$PATH" >> $GITHUB_ENV
     - name: Configure OpenSSL env vars
       run: |