diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e27f3fd..1e6c042 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,10 +15,10 @@ jobs:
       - run: 'sudo apt update'
 
       - name: 'Install Build Tools'
-        run: 'sudo apt-get install --yes build-essential gcc make clang-format'
+        run: 'sudo apt install --yes build-essential gcc make clang-format'
 
       - name: 'Install Documentation Tools'
-        run: 'sudo apt-get install --yes doxygen doxygen-gui doxygen-doc graphviz'
+        run: 'sudo apt install --yes doxygen doxygen-gui doxygen-doc graphviz'
 
       - run: 'gcc --version'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d72dcb8..b376339 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,10 +24,10 @@ jobs:
       - run: 'sudo apt update'
 
       - name: 'Install Build Tools'
-        run: 'sudo apt-get install --yes build-essential gcc make clang-format'
+        run: 'sudo apt install --yes build-essential gcc make clang-format'
 
       - name: 'Install Documentation Tools'
-        run: 'sudo apt-get install --yes doxygen doxygen-gui doxygen-doc graphviz'
+        run: 'sudo apt install --yes doxygen doxygen-gui doxygen-doc graphviz'
 
       - run: 'make set_version'
 
diff --git a/README.md b/README.md
index a41bddc..174f76b 100644
--- a/README.md
+++ b/README.md
@@ -37,10 +37,10 @@ For example on GNU/Linux Ubuntu:
 
 ```sh
 # Install Build Tools
-sudo apt-get install build-essential gcc make clang-format
+sudo apt install build-essential gcc make clang-format
 
 # Install Documentation Tools
-sudo apt-get install doxygen doxygen-gui doxygen-doc graphviz
+sudo apt install doxygen doxygen-gui doxygen-doc graphviz
 ```
 
 ## Usage