diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 32d4aae..78e10d4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,6 +19,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Install SVN
+        run: |
+          if ! command -v svn > /dev/null; then
+            sudo apt-get update
+            sudo apt-get install -y subversion
+          fi
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
diff --git a/.github/workflows/wordpress-plugin-asset-update.yml b/.github/workflows/wordpress-plugin-asset-update.yml
index 59456dd..7e12d7a 100644
--- a/.github/workflows/wordpress-plugin-asset-update.yml
+++ b/.github/workflows/wordpress-plugin-asset-update.yml
@@ -10,6 +10,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Install SVN
+        run: |
+          if ! command -v svn > /dev/null; then
+            sudo apt-get update
+            sudo apt-get install -y subversion
+          fi
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
diff --git a/.github/workflows/wordpress-plugin-deploy.yml b/.github/workflows/wordpress-plugin-deploy.yml
index 44ec31c..dd724a4 100644
--- a/.github/workflows/wordpress-plugin-deploy.yml
+++ b/.github/workflows/wordpress-plugin-deploy.yml
@@ -11,6 +11,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Install SVN
+        run: |
+          if ! command -v svn > /dev/null; then
+            sudo apt-get update
+            sudo apt-get install -y subversion
+          fi
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
diff --git a/bin/install-wp-tests.sh b/bin/install-wp-tests.sh
index c6f53dc..d2605fe 100755
--- a/bin/install-wp-tests.sh
+++ b/bin/install-wp-tests.sh
@@ -22,6 +22,17 @@ download() {
         curl -s "$1" > "$2";
     elif [ `which wget` ]; then
         wget -nv -O "$2" "$1"
+    else
+        echo "Error: Neither curl nor wget is installed."
+        exit 1
+    fi
+}
+
+# Check if svn is installed
+check_svn_installed() {
+    if ! command -v svn > /dev/null; then
+        echo "Error: svn is not installed. Please install svn and try again."
+        exit 1
     fi
 }
 
@@ -64,6 +75,7 @@ install_wp() {
 	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
 		mkdir -p $TMPDIR/wordpress-trunk
 		rm -rf $TMPDIR/wordpress-trunk/*
+        check_svn_installed
 		svn export --quiet https://core.svn.wordpress.org/trunk $TMPDIR/wordpress-trunk/wordpress
 		mv $TMPDIR/wordpress-trunk/wordpress/* $WP_CORE_DIR
 	else
@@ -108,6 +120,7 @@ install_test_suite() {
 		# set up testing suite
 		mkdir -p $WP_TESTS_DIR
 		rm -rf $WP_TESTS_DIR/{includes,data}
+        check_svn_installed
 		svn export --quiet --ignore-externals https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
 		svn export --quiet --ignore-externals https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/data/ $WP_TESTS_DIR/data
 	fi