diff --git a/test/REQUIRE b/test/REQUIRE
index 766b69b29cb..611ef2528fe 100644
--- a/test/REQUIRE
+++ b/test/REQUIRE
@@ -1,6 +1,6 @@
 #Cbc
 #Clp 0.4.0 0.5.0 # this cap is to investigate bug
-#GLPKMathProgInterface
+GLPKMathProgInterface
 #Ipopt
 #ECOS
 #SCS