diff --git a/requirements.txt b/requirements.txt
index fda35a6..42d4508 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ numpy>=1.18.2                   # image pre-processing #pre-installed on Raspbia
 arrow>=0.15.6 	                # time operations
 Flask==1.1.2                    # webserver
 Flask-WTF==0.14.3               # webforms
+sphinxemoji==0.1.8				# for emoji support on documentation
\ No newline at end of file