diff --git a/assignments/nbproject/project.properties b/assignments/nbproject/project.properties
index 17befcd0ec8dc287ead24a3ac6ad82df7974f36f..ff443c365c4d27d77e6256e4bbc9e9029be21788 100644
--- a/assignments/nbproject/project.properties
+++ b/assignments/nbproject/project.properties
@@ -35,17 +35,21 @@ dist.jar=${dist.dir}/Networked_Graphics_MV3500_assignments.jar
 dist.javadoc.dir=${dist.dir}/javadoc
 endorsed.classpath=
 excludes=
+file.reference.commons-io-2.6.jar=../lib/commons-io-2.6.jar
 file.reference.dis-enums-1.3.jar=../lib/dis-enums-1.3.jar
+file.reference.guava-28.0-jre.jar=../lib/guava-28.0-jre.jar
 file.reference.open-dis7-entities-all.jar=../lib/open-dis7-entities-all.jar
 file.reference.open-dis7-java.jar=../lib/open-dis7-java.jar
 file.reference.open-dis_4.16.jar=../lib/open-dis_4.16.jar
 includes=**
 jar.compress=false
 javac.classpath=\
-    ${file.reference.open-dis_4.16.jar}:\
     ${file.reference.open-dis7-java.jar}:\
+    ${file.reference.open-dis7-entities-all.jar}:\
+    ${file.reference.open-dis_4.16.jar}:\
     ${file.reference.dis-enums-1.3.jar}:\
-    ${file.reference.open-dis7-entities-all.jar}
+    ${file.reference.commons-io-2.6.jar}:\
+    ${file.reference.guava-28.0-jre.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false