diff --git a/.changeset/late-toes-remain.md b/.changeset/late-toes-remain.md
new file mode 100644
index 0000000000000..47e19b7a77e0b
--- /dev/null
+++ b/.changeset/late-toes-remain.md
@@ -0,0 +1,6 @@
+---
+'@rocket.chat/meteor': patch
+'@rocket.chat/apps-engine': patch
+---
+
+Fixes an issue where app installation would fail if the app package contained JS syntax newer than 2017
diff --git a/packages/apps-engine/deno-runtime/lib/ast/mod.ts b/packages/apps-engine/deno-runtime/lib/ast/mod.ts
index d4f0f5858a281..555b4defc36a0 100644
--- a/packages/apps-engine/deno-runtime/lib/ast/mod.ts
+++ b/packages/apps-engine/deno-runtime/lib/ast/mod.ts
@@ -50,7 +50,8 @@ function fixAst(ast: Program): boolean {
 
 export function fixBrokenSynchronousAPICalls(appSource: string): string {
 	const astRootNode = parse(appSource, {
-		ecmaVersion: 2017,
+		// Latest ecma version supported by this version of acorn.
+		ecmaVersion: "latest",
 		// Allow everything, we don't want to complain if code is badly written
 		// Also, since the code itself has been transpiled, the chance of getting
 		// shenanigans is lower