diff --git a/makefile b/makefile
index fae864f..2ca7a4e 100644
--- a/makefile
+++ b/makefile
@@ -1,10 +1,9 @@
-$(eval SHELL:=/bin/bash)
- 
-NEWTONSOFT_JSON_PATH="./SteamAuth/SteamAuth/packages/Newtonsoft.Json.12.0.3/lib/net45/Newtonsoft.Json.dll"
+$(eval SHELL:=/bin/bash)
 
 all: Program.cs
 	mkdir -p build/
 	nuget restore SteamAuth/SteamAuth/SteamAuth.sln
+	$(eval NEWTONSOFT_JSON_PATH=$(shell find -name Newtonsoft.Json.dll | grep \/net45\/ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | tail -n 1))
 	mcs -target:library -out:build/SteamAuth.dll -r:$(NEWTONSOFT_JSON_PATH) SteamAuth/SteamAuth/APIEndpoints.cs SteamAuth/SteamAuth/AuthenticatorLinker.cs SteamAuth/SteamAuth/Confirmation.cs SteamAuth/SteamAuth/SessionData.cs SteamAuth/SteamAuth/SteamGuardAccount.cs SteamAuth/SteamAuth/SteamWeb.cs SteamAuth/SteamAuth/TimeAligner.cs SteamAuth/SteamAuth/UserLogin.cs SteamAuth/SteamAuth/Util.cs SteamAuth/SteamAuth/Properties/AssemblyInfo.cs
 	cp $(NEWTONSOFT_JSON_PATH) build/
 	mcs -out:build/steamguard -r:build/SteamAuth.dll -r:build/Newtonsoft.Json.dll -r:/usr/lib/mono/4.5/System.Security.dll Program.cs Manifest.cs AssemblyInfo.cs Utils.cs