diff --git a/src/scripts/extensions/add_extensions.ps1 b/src/scripts/extensions/add_extensions.ps1
index aba949ed..2b66d684 100644
--- a/src/scripts/extensions/add_extensions.ps1
+++ b/src/scripts/extensions/add_extensions.ps1
@@ -82,7 +82,7 @@ Function Add-Extension {
 
 # Function to get a map of extensions and their dependent shared extensions.
 Function Get-ExtensionMap {
-  php -d'error_reporting=0' $dist\..\src\scripts\extensions\extension_map.php $env:TEMP\map.orig
+  php -d'error_reporting=0' $dist\..\src\scripts\extensions\extension_map.php $env:TEMP\map$version.orig
 }
 
 # Function to enable extension dependencies which are also extensions.
@@ -98,7 +98,7 @@ Function Enable-ExtensionDependencies {
     return
   }
   Get-ExtensionMap
-  $entry = findstr /r "$extension`:.*" $env:TEMP\map.orig
+  $entry = findstr /r "$extension`:.*" $env:TEMP\map$version.orig
   if($entry) {
     $entry.split(':')[1].trim().split(' ') | ForEach-Object {
       if (-not(php -m | findstr -i $_)) {
@@ -118,7 +118,7 @@ Function Disable-DependentExtensions() {
     [string]
     $extension
   )
-  Select-String -Pattern ".*:.*\s$extension(\s|$)" $env:TEMP\map.orig | ForEach-Object {
+  Select-String -Pattern ".*:.*\s$extension(\s|$)" $env:TEMP\map$version.orig | ForEach-Object {
     $dependent = $_.Matches[0].Value.split(':')[0];
     Disable-ExtensionHelper -Extension $dependent -DisableDependents
     Add-Log $tick ":$extension" "Disabled $dependent as it depends on $extension"
diff --git a/src/scripts/extensions/add_extensions.sh b/src/scripts/extensions/add_extensions.sh
index ed5d9045..54a95074 100644
--- a/src/scripts/extensions/add_extensions.sh
+++ b/src/scripts/extensions/add_extensions.sh
@@ -49,7 +49,7 @@ enable_extension() {
 
 # Function to get a map of extensions and their dependent shared extensions.
 get_extension_map() {
-  php -d'error_reporting=0' "${dist:?}"/../src/scripts/extensions/extension_map.php /tmp/map.orig
+  php -d'error_reporting=0' "${dist:?}"/../src/scripts/extensions/extension_map.php /tmp/map"$version".orig
 }
 
 # Function to enable extension dependencies which are also extensions.
@@ -58,7 +58,7 @@ enable_extension_dependencies() {
   prefix=$2
   [ -e /tmp/extdisabled/"$version"/"$extension" ] || return;
   get_extension_map
-  for dependency in $(grep "$extension:" /tmp/map.orig | cut -d ':' -f 2 | tr '\n' ' '); do
+  for dependency in $(grep "$extension:" /tmp/map"$version".orig | cut -d ':' -f 2 | tr '\n' ' '); do
     enable_extension "$dependency" "$prefix"
   done
   rm /tmp/extdisabled/"$version"/"$extension"
@@ -67,7 +67,7 @@ enable_extension_dependencies() {
 # Function to disable dependent extensions.
 disable_extension_dependents() {
   local extension=$1
-  for dependent in $(grep -E ".*:.*\s$extension(\s|$)" /tmp/map.orig | cut -d ':' -f 1 | tr '\n' ' '); do
+  for dependent in $(grep -E ".*:.*\s$extension(\s|$)" /tmp/map"$version".orig | cut -d ':' -f 1 | tr '\n' ' '); do
     disable_extension_helper "$dependent" true
     add_log "${tick:?}" ":$extension" "Disabled $dependent as it depends on $extension"
   done
diff --git a/src/scripts/extensions/extension_map.php b/src/scripts/extensions/extension_map.php
index 54d84d6a..075b6c56 100644
--- a/src/scripts/extensions/extension_map.php
+++ b/src/scripts/extensions/extension_map.php
@@ -31,7 +31,7 @@ class ExtensionMap {
     /**
      * Function to read the extension map.
      */
-    public function parseMap($path) {
+    private function parseMap($path) {
         if(file_exists($path)) {
             $handle = fopen($path, "r");
             if ($handle) {
@@ -50,7 +50,7 @@ class ExtensionMap {
      * @param string $extension
      * @return bool
      */
-    public function checkSharedExtension($extension) {
+    private function checkSharedExtension($extension) {
         $extension_file = $this->extension_dir. DIRECTORY_SEPARATOR . $this->file_prefix . $extension . $this->file_extension;
         return file_exists($extension_file);
     }
@@ -60,7 +60,7 @@ class ExtensionMap {
      *
      * @return string[]
      */
-    public function getSharedExtensions() {
+    private function getSharedExtensions() {
         $files = scandir($this->extension_dir);
         $extensions = array_diff($files, array('.','..'));
         $filter_pattern = "/$this->file_extension|$this->file_prefix/";
@@ -76,7 +76,7 @@ class ExtensionMap {
      * @param array $dependencies
      * @return array
      */
-    public function patchDependencies($extension, $dependencies) {
+    private function patchDependencies($extension, $dependencies) {
         // memcached 2.2.0 has no dependencies in reflection data.
         if($extension == 'memcached') {
             $dependencies = array_unique(array_merge($dependencies, array('igbinary', 'json', 'msgpack')));
@@ -90,7 +90,7 @@ class ExtensionMap {
      * @param string $extension
      * @throws ReflectionException
      */
-    public function addExtensionToMap($extension) {
+    private function addExtensionToMap($extension) {
         if($this->map && array_key_exists($extension, $this->map) && !empty($this->map[$extension])) {
             return;
         }