diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd29deb..4331c3f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
           CERTIFICATE_PATH: ${{ steps.postgres.outputs.certificate-path }}
           EXPECTED_CONNECTION_URI: postgresql://postgres:postgres@localhost:5432/postgres
           EXPECTED_SERVICE_NAME: postgres
-          EXPECTED_SERVER_VERSION: "16"
+          EXPECTED_SERVER_VERSION: "17"
           EXPECTED_SSL: false
 
   parametrized:
@@ -67,6 +67,7 @@ jobs:
         postgres-version:
           - "14"
           - "15"
+          - "16"
     steps:
       - uses: actions/checkout@v4
 
diff --git a/README.md b/README.md
index cbcd2af..e3955ae 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ key features:
 | password         | The password of the user to setup.                                                 | `postgres`  |
 | database         | The database name to setup and grant permissions to created user.                  | `postgres`  |
 | port             | The server port to listen on.                                                      | `5432`      |
-| postgres-version | The PostgreSQL major version to install. Supported values: "14", "15", "16".       | `16`        |
+| postgres-version | The PostgreSQL major version to install. Supported values: "14", "15", "16", "17". | `17`        |
 
 #### Outputs
 
diff --git a/action.yml b/action.yml
index 1f2d22c..0a1ec6c 100644
--- a/action.yml
+++ b/action.yml
@@ -22,8 +22,8 @@ inputs:
     default: "5432"
     required: false
   postgres-version:
-    description: The PostgreSQL major version to install. Either "14", "15", or "16".
-    default: "16"
+    description: The PostgreSQL major version to install. Either "14", "15", "16" or "17".
+    default: "17"
   ssl:
     description: When "true", encrypt connections using SSL (TLS).
     default: "false"
@@ -43,8 +43,8 @@ runs:
   steps:
     - name: Install PostgreSQL
       run: |
-        if [[ ! "${{ inputs.postgres-version }}" =~ ^(14|15|16)$ ]]; then
-          echo "::error::postgres-version must be one of: 14, 15, 16."
+        if [[ ! "${{ inputs.postgres-version }}" =~ ^(14|15|16|17)$ ]]; then
+          echo "::error::postgres-version must be one of: 14, 15, 16, 17."
           exit 1
         fi
 
@@ -82,11 +82,15 @@ runs:
           echo "PQ_LIB_DIR=$PG_LIBDIR" >> $GITHUB_ENV
 
         elif [ "$RUNNER_OS" == "macOS" ]; then
+          # HOMEBREW_GITHUB_ACTIONS is used to skip 'initdb' execution to save
+          # some seconds. That invocation is not needed because of initdb
+          # invocation below.
+          export HOMEBREW_GITHUB_ACTIONS=1
           export HOMEBREW_NO_ENV_HINTS=1
           export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
           export HOMEBREW_NO_INSTALL_CLEANUP=1
           export HOMEBREW_NO_INSTALL_UPGRADE=1
-          brew install --quiet --skip-post-install postgresql@${{ inputs.postgres-version }}
+          brew install --quiet postgresql@${{ inputs.postgres-version }}
 
           # Link PostgreSQL binaries from /usr/local/bin in order to make them
           # available globally. The --overwrite option is required since some