diff --git a/2.1.5.tar.gz b/2.1.5.tar.gz
index e1f7d0d..12a50de 100644
--- a/2.1.5.tar.gz
+++ b/2.1.5.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a21f2db951fee83c403e4627ca7deb9982601a610b295586014169c58efc48df
-size 4581957
+oid sha256:204bb179484d08f3114deff0279099a231accb39034aa9e4e658ef7923cd8442
+size 4581968
diff --git a/cadabra2.changes b/cadabra2.changes
index bd2a152..9fa35e3 100644
--- a/cadabra2.changes
+++ b/cadabra2.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Oct 11 12:04:47 UTC 2017 - badshah400@gmail.com
+
+- Refresh source tarball from upstream: upstream might have pushed
+  out a new tarball without changes to the versioning, making the
+  source validator service complain about the mismatch.
+
 -------------------------------------------------------------------
 Sun Aug  6 18:20:17 UTC 2017 - badshah400@gmail.com
 
diff --git a/cadabra2.spec b/cadabra2.spec
index ef87816..0091b02 100644
--- a/cadabra2.spec
+++ b/cadabra2.spec
@@ -61,6 +61,7 @@ BuildRequires:  tex(natbib.sty)
 BuildRequires:  tex(pcrr8t.tfm)
 BuildRequires:  tex(phvr8t.tfm)
 BuildRequires:  tex(psyr.tfm)
+BuildRequires:  tex(rsfs10.tfm)
 BuildRequires:  tex(sectsty.sty)
 BuildRequires:  tex(tabu.sty)
 BuildRequires:  tex(textcomp.sty)
@@ -68,7 +69,7 @@ BuildRequires:  tex(tocloft.sty)
 BuildRequires:  tex(wasy7.tfm)
 BuildRequires:  tex(wasysym.sty)
 BuildRequires:  tex(xtab.sty)
-BuildRequires:  tex(zptmcm7t.tfm) tex(rsfs10.tfm)
+BuildRequires:  tex(zptmcm7t.tfm)
 Requires(post): texlive-kpathsea-bin
 Requires(postun): texlive-kpathsea-bin
 Recommends:     %{name}-doc