diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 586b64f4..9fa3998e 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -9,8 +9,9 @@ jobs:
       - uses: actions/checkout@v1
       - name: Log environment
         run:  ./scripts/log-env.sh
+      - run:  sudo apt-get update
       - name: Install dependencies
-        run:  sudo apt-get update && sudo apt install -y $(./scripts/list-build-dependencies.sh -p apt --compiler clang --compiler-version 8)
+        run:  sudo apt-get install -y $(./scripts/list-build-dependencies.sh -p apt --compiler clang --compiler-version 8)
       - name: Build
         run:  ./scripts/build.sh --compiler clang --compiler-version 8 --lto
       - name: Summarize warnings
@@ -26,8 +27,9 @@ jobs:
       - uses: actions/checkout@v1
       - name: Log environment
         run:  ./scripts/log-env.sh
+      - run:  sudo apt-get update
       - name: Install dependencies
-        run:  sudo apt-get update && sudo apt install -y $(./scripts/list-build-dependencies.sh -p apt)
+        run:  sudo apt-get install -y $(./scripts/list-build-dependencies.sh -p apt)
       - name: Build
         run:  ./scripts/build.sh
       - name: Summarize warnings
@@ -40,8 +42,9 @@ jobs:
       - uses: actions/checkout@v1
       - name: Log environment
         run:  ./scripts/log-env.sh
+      - run:  sudo apt-get update
       - name: Install dependencies
-        run:  sudo apt-get update && sudo apt install -y $(./scripts/list-build-dependencies.sh -p apt --compiler-version 9)
+        run:  sudo apt-get install -y $(./scripts/list-build-dependencies.sh -p apt --compiler-version 9)
       - name: Build
         run:  ./scripts/build.sh --compiler-version 9 --lto
       - name: Summarize warnings
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 5c617543..c733efde 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -1,6 +1,7 @@
 name: macOS builds
 on: push
 jobs:
+
   build_macos_xcode_clang:
     name: Clang 10 (Xcode)
     runs-on: macOS-10.14
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 0b2996e6..3b6c43dc 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -1,8 +1,7 @@
 name: Static code analysis
-
-on: [push]
-
+on: push
 jobs:
+
   build_clang_static_analyser:
     name: Clang static analyzer
     runs-on: ubuntu-18.04
@@ -10,9 +9,9 @@ jobs:
       - uses: actions/checkout@v1
       - name: Log environment
         run:  ./scripts/log-env.sh
-      - run:  sudo apt update
-      - name: Install packages
-        run:  sudo apt-get install autoconf-archive libsdl1.2-dev libsdl-net1.2-dev libopusfile-dev libspeexdsp-dev python3-setuptools
+      - run:  sudo apt-get update
+      - name: Install dependencies
+        run:  sudo apt-get install python3-setuptools $(./scripts/list-build-dependencies.sh -p apt)
       - name: Install scan-build (Python version)
         run:  sudo pip3 install scan-build beautifulsoup4 html5lib
       - name: Build
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 9fc32fbb..121442e7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -1,5 +1,3 @@
-#  SPDX-License-Identifier: GPL-2.0-or-later
-
 name: Windows builds
 on: push
 jobs: