diff --git a/Makefile b/Makefile
index 6a8888d0f85ef477ca67f939620ee5c297c55c52..1928c4d775d933999e7e7ff672a49ce094ef6ae4 100644
--- a/Makefile
+++ b/Makefile
@@ -17,10 +17,10 @@
 #   3. Files you want to include in your final submission cannot match the
 #      test*.cpp pattern.
 
-# enables c++17 on CAEN
-PATH := /usr/um/gcc-6.2.0/bin:$(PATH)
-LD_LIBRARY_PATH := /usr/um/gcc-6.2.0/lib64
-LD_RUN_PATH := /usr/um/gcc-6.2.0/lib64
+# enables c++17 on CAEN or 281 autograder
+PATH := /usr/um/gcc-7.1.0/bin:/usr/um/gcc-6.2.0/bin:$(PATH)
+LD_LIBRARY_PATH := /usr/um/gcc-7.1.0/lib64:/usr/um/gcc-6.2.0/lib64
+LD_RUN_PATH := /usr/um/gcc-7.1.0/lib64:/usr/um/gcc-6.2.0/lib64
 
 # This is the path from the CAEN home folder to where projects will be
 # uploaded. (eg. /home/mmdarden/eecs281/project1)