diff --git a/srcpkgs/gnome-calculator/template b/srcpkgs/gnome-calculator/template
index 8d2001a501c..27fa8c65c7a 100644
--- a/srcpkgs/gnome-calculator/template
+++ b/srcpkgs/gnome-calculator/template
@@ -4,7 +4,9 @@ version=3.16.0
 revision=1
 build_style=gnu-configure
 hostmakedepends="pkg-config intltool itstool gnome-doc-utils"
-makedepends="libxml2-devel gtk+3-devel gsettings-desktop-schemas-devel gtksourceview-devel"
+makedepends="
+ libxml2-devel gtk+3-devel gsettings-desktop-schemas-devel
+ gtksourceview-devel mpfr-devel"
 depends="gsettings-desktop-schemas>=3.12 hicolor-icon-theme desktop-file-utils"
 short_desc="The GNOME calculator"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"