diff --git a/dissertation_main.pdf b/dissertation_main.pdf
index 5b006b8..4b9d5d0 100644
Binary files a/dissertation_main.pdf and b/dissertation_main.pdf differ
diff --git a/dissertation_main.tex b/dissertation_main.tex
index 2c67b3e..d9184ce 100644
--- a/dissertation_main.tex
+++ b/dissertation_main.tex
@@ -110,7 +110,7 @@
     % Bibliography
     \if@openright\cleardoublepage\else\clearpage\fi
     \bibliographystyle{um-plainnat} %% specific plainnat does not show url for articles
-    {\footnotesize\bibliography{chap1/introduction_biblio,chap2/background_and_lit_overview_biblio}}
+    {\scriptsize\bibliography{chap1/introduction_biblio,chap2/background_and_lit_overview_biblio}}
 	\printindex
 }
 
diff --git a/um.cls b/um.cls
index 5b575cb..ae4dc5c 100644
--- a/um.cls
+++ b/um.cls
@@ -13,7 +13,7 @@
 %% ****************************************************
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{um}[2018/05/01-2019/03/25 v1.2.1 University of Malta, Dissertation/FYP/Thesis Template]
+\ProvidesClass{um}[2018/05/01-2021/01/25 v1.3 University of Malta, Dissertation/FYP/Thesis Template]
 
 
 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{memoir}}
@@ -142,6 +142,9 @@
 \newcommand{\removelinebreaks}[1]{%
 	\begingroup\def\\{ }#1\endgroup}
 
+% Controls space between one reference and the next
+\setlength{\bibsep}{6.5pt}
+
 %% ************* Document Options (End) ******************