diff --git a/lyx.changes b/lyx.changes
index 343750d..5a65d0c 100644
--- a/lyx.changes
+++ b/lyx.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Tue Feb  9 13:40:43 UTC 2021 - Cor Blom <cornelis@solcon.nl>
+
+- Add texlive-cprotect and texlive-doublestroke, needed to build
+  the userguide from within LyX
+
+-------------------------------------------------------------------
+Sun Feb  7 11:42:40 UTC 2021 - Cor Blom <cornelis@solcon.nl>
+
+- Add BuildRequires: mythes-devel to build with system mythes
+
 -------------------------------------------------------------------
 Tue Dec 29 20:00:24 UTC 2020 - Cor Blom <cornelis@solcon.nl>
 
diff --git a/lyx.spec b/lyx.spec
index cf424f2..843cdaf 100644
--- a/lyx.spec
+++ b/lyx.spec
@@ -46,6 +46,7 @@ BuildRequires:  fontpackages-devel
 BuildRequires:  hicolor-icon-theme
 BuildRequires:  hunspell-devel
 BuildRequires:  libboost_headers-devel
+BuildRequires:  mythes-devel
 BuildRequires:  pkgconfig
 BuildRequires:  python3
 BuildRequires:  update-desktop-files
@@ -109,7 +110,9 @@ Recommends:     texlive-zhmetrics
 Recommends:     xindy
 # Some stuff needed for LyX's documentation:
 Recommends:     texlive-braket
+Recommends:     texlive-cprotect
 Recommends:     texlive-diagbox
+Recommends:     texlive-doublestroke
 Recommends:     texlive-picinpar
 Recommends:     texlive-shapepar
 Recommends:     texlive-sidecap