diff --git a/internal/rosa/package/nss.az b/internal/rosa/package/nss.az
index 9b5c3689..fd706f09 100644
--- a/internal/rosa/package/nss.az
+++ b/internal/rosa/package/nss.az
@@ -3,11 +3,11 @@ package nspr {
 	anitya = 7953;
 	exclude = true;
 
-	version# = "4.39";
+	version# = "4.40";
 	output = remoteTar {
 		url = "https://ftp.mozilla.org/pub/nspr/releases/v"+version+
 			"/src/nspr-"+version+".tar.gz";
-		checksum = "lgIlqiItMBCRTuz8griNqxtJzNBAoZU1020EVR94X2IiZpJ-NgLXouF7m1knNlDs";
+		checksum = "ku6h1DpeUalAUz4suFlLNRgk3N7VEHh7noIECbYEz7C_3bwU13CiLHf35OutbYqN";
 		compress = gzip;
 	};
 }
@@ -35,7 +35,7 @@ package nss {
 	enterSource = true;
 	writable = true;
 	chmod = true;
-	early = "\nln -s extra/nspr/nspr /usr/src/nspr\n";
+	early = "\nln -s extra/nspr/nspr /usr/src/nspr\nchmod +w ../nspr/\n";
 
 	exec = make {
 		omitDefaults = true;