diff --git a/Makefile b/Makefile
index 41b61c5..1f3164e 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ DTS=base64.d.ts
 all: $(MJS) $(JS)
 
 $(MJS): $(PJ) $(TS)
-	tsc -d --target es6 $(TS) && mv $(JS) $(MJS)
+	-tsc -d --target es6 $(TS) > /dev/null; mv $(JS) $(MJS)
 
 $(ES6): $(MJS)
 	util/makecjs $(MJS) > $(ES6)
diff --git a/package.json b/package.json
index 876c58f..776d185 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "test": "make clean && make test"
   },
   "devDependencies": {
-    "@types/node": "^18.15.11",
+    "@types/node": "^20.9.0",
     "mocha": "^10.0.0",
     "typescript": "^5.0.0"
   },