diff --git a/documentation/rtfd-requirements.txt b/documentation/rtfd-requirements.txt
index ccd465128884184d5401daf45f8538b05248b7dd..3087817421ed52d662b781f58b78ca9e2ae4a38a 100644
--- a/documentation/rtfd-requirements.txt
+++ b/documentation/rtfd-requirements.txt
@@ -1,5 +1,4 @@
-sphinx_rtd_theme = 0.5.1
+sphinx_rtd_theme == 0.5.1
 sphinx == 3.5.3
 breathe == 4.27.0
-recommonmark = 0.7.1
-
+recommonmark == 0.7.1