diff --git a/lib/index.js b/lib/index.js
index 8cabbe0..91de932 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -243,9 +243,9 @@ const log = (args, shell) => {
   let lines = args.map(item => completionItem(item, shell)).map(item => {
     const { name: rawName, description: rawDescription } = item;
 
-    const name = shell === 'zsh' ? rawName?.replace(/:/g, '\\:') : rawName;
+    const name = shell === 'zsh' ? rawName?.replaceAll(':', '\\:') : rawName;
     const description =
-      shell === 'zsh' ? rawDescription?.replace(/:/g, '\\:') : rawDescription;
+      shell === 'zsh' ? rawDescription?.replaceAll(':', '\\:') : rawDescription;
     let str = name;
 
     if (shell === 'zsh' && description) {
diff --git a/lib/installer.js b/lib/installer.js
index 1c9ae5e..65fb4e7 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -247,10 +247,10 @@ const getCompletionScript = async ({ name, completer, shell }) => {
   const templatePath = scriptFromShell(shell);
   const templateContent = await readFile(templatePath, 'utf8');
   const scriptContent = templateContent
-    .replace(/\{pkgname\}/g, name)
-    .replace(/{completer}/g, completer)
+    .replaceAll('{pkgname}', name)
+    .replaceAll('{completer}', completer)
     // on Bash on windows, we need to make sure to remove any \r
-    .replace(/\r?\n/g, '\n');
+    .replaceAll(/\r?\n/g, '\n');
   return scriptContent
 };
 
diff --git a/test/getCompletionScript.js b/test/getCompletionScript.js
index c026b54..2691410 100644
--- a/test/getCompletionScript.js
+++ b/test/getCompletionScript.js
@@ -12,9 +12,9 @@ describe('getCompletionScript gets the right completion script for', () => {
         shell
       });
       const expected = fs.readFileSync(require.resolve(`../lib/templates/completion.${COMPLETION_FILE_EXT[shell]}`), 'utf8')
-        .replace(/\{pkgname\}/g, 'foo')
-        .replace(/{completer}/g, 'foo-complete')
-        .replace(/\r?\n/g, '\n');
+        .replaceAll('{pkgname}', 'foo')
+        .replaceAll('{completer}', 'foo-complete')
+        .replaceAll(/\r?\n/g, '\n');
       assert.equal(received, expected);
     });
   }