diff --git a/wasm/wasm.tests/build.gradle.kts b/wasm/wasm.tests/build.gradle.kts
index e9ba50b08c5..f2a4fe46edf 100644
--- a/wasm/wasm.tests/build.gradle.kts
+++ b/wasm/wasm.tests/build.gradle.kts
@@ -90,7 +90,8 @@ val currentOsType = run {
     OsType(osName, osArch)
 }
 
-val jsShellDirectory = "https://archive.mozilla.org/pub/firefox/nightly/2023/03/2023-03-04-09-52-24-mozilla-central"
+val jsShellVersion = "2023-03-04-09-52-24-mozilla-central"
+val jsShellDirectory = "https://archive.mozilla.org/pub/firefox/nightly/2023/03/$jsShellVersion"
 val jsShellSuffix = when (currentOsType) {
     OsType(OsName.LINUX, OsArch.X86_32) -> "linux-i686"
     OsType(OsName.LINUX, OsArch.X86_64) -> "linux-x86_64"
@@ -106,14 +107,14 @@ val downloadedTools = File(buildDir, "tools")
 
 val downloadJsShell by task<Download> {
     src(jsShellLocation)
-    dest(File(downloadedTools, "jsshell-$jsShellSuffix.zip"))
+    dest(File(downloadedTools, "jsshell-$jsShellSuffix-$jsShellVersion.zip"))
     overwrite(false)
 }
 
 val unzipJsShell by task<Copy> {
     dependsOn(downloadJsShell)
     from(zipTree(downloadJsShell.get().dest))
-    val unpackedDir = File(downloadedTools, "jsshell-$jsShellSuffix")
+    val unpackedDir = File(downloadedTools, "jsshell-$jsShellSuffix-$jsShellVersion")
     into(unpackedDir)
 }