diff --git a/.github/workflows/files-external-s3.yml b/.github/workflows/files-external-s3.yml
index 2aa1fa37a56..7efdde88da8 100644
--- a/.github/workflows/files-external-s3.yml
+++ b/.github/workflows/files-external-s3.yml
@@ -42,8 +42,8 @@ jobs:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         include:
-          - php-versions: '8.3'
-            coverage: true
+          - php-versions: '8.2'
+            coverage: ${{ github.event_name != 'pull_request' }}
 
     name: php${{ matrix.php-versions }}-s3
 
diff --git a/.github/workflows/files-external-webdav.yml b/.github/workflows/files-external-webdav.yml
index 10fe68f68fe..46d1226a83c 100644
--- a/.github/workflows/files-external-webdav.yml
+++ b/.github/workflows/files-external-webdav.yml
@@ -42,8 +42,8 @@ jobs:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         include:
-          - php-versions: '8.3'
-            coverage: true
+          - php-versions: '8.2'
+            coverage: ${{ github.event_name != 'pull_request' }}
 
     name: php${{ matrix.php-versions }}-webdav
 
diff --git a/autotest-external.sh b/autotest-external.sh
index ca5e2c2fa0b..fb768b26636 100755
--- a/autotest-external.sh
+++ b/autotest-external.sh
@@ -35,7 +35,7 @@ if ! [ -x "$PHPUNIT" ]; then
 	if [ -x "$PWD/build/integration/vendor/phpunit/phpunit/phpunit" ]; then
 		PHPUNIT="$PWD/build/integration/vendor/phpunit/phpunit/phpunit"
 	else
-		echo "phpunit executable not found, please install phpunit version >= 9.6" >&2
+		echo "phpunit executable not found, please install phpunit version >= 9.0" >&2
 		exit 3
 	fi
 fi
@@ -44,8 +44,8 @@ PHPUNIT_VERSION=$("$PHPUNIT" --version | cut -d" " -f2)
 PHPUNIT_MAJOR_VERSION=$(echo $PHPUNIT_VERSION | cut -d"." -f1)
 PHPUNIT_MINOR_VERSION=$(echo $PHPUNIT_VERSION | cut -d"." -f2)
 
-if ! [ $PHPUNIT_MAJOR_VERSION -gt 9 -o \( $PHPUNIT_MAJOR_VERSION -eq 9 -a $PHPUNIT_MINOR_VERSION -ge 6 \) ]; then
-	echo "phpunit version >= 9.6 required. Version found: $PHPUNIT_VERSION" >&2
+if ! [ $PHPUNIT_MAJOR_VERSION -gt 9 -o \( $PHPUNIT_MAJOR_VERSION -eq 9 -a $PHPUNIT_MINOR_VERSION -ge 0 \) ]; then
+	echo "phpunit version >= 9.0 required. Version found: $PHPUNIT_VERSION" >&2
 	exit 4
 fi