diff --git a/science/mathematics/libqalculate/pspec.xml b/science/mathematics/libqalculate/pspec.xml
index 2af016694a..f8cc3dd364 100644
--- a/science/mathematics/libqalculate/pspec.xml
+++ b/science/mathematics/libqalculate/pspec.xml
@@ -62,6 +62,7 @@
         <RuntimeDependencies>
             <Dependency release="current">libqalculate</Dependency>
             <Dependency>cln-devel</Dependency>
+            <Dependency>mpfr-devel</Dependency>
             <Dependency>libxml2-devel</Dependency>
             <Dependency>glib2-devel</Dependency>
         </RuntimeDependencies>
@@ -73,7 +74,7 @@
 
     <History>
         <Update release="4">
-            <Date>2018-08-14</Date>
+            <Date>2018-08-15</Date>
             <Version>2.6.1</Version>
             <Comment>Version Bump</Comment>
             <Name>Pisi Linux Community</Name>