diff --git a/pkgs/tools/typesetting/tex/texlive/default.nix b/pkgs/tools/typesetting/tex/texlive/default.nix
index 3158f285933..8fab16de674 100644
--- a/pkgs/tools/typesetting/tex/texlive/default.nix
+++ b/pkgs/tools/typesetting/tex/texlive/default.nix
@@ -5,14 +5,16 @@ rec {
     sha256 = "1idgyim6r4bi3id245k616qrdarfh65xv3gi2psarqqmsw504yhd";
   };
 
+  texmfVersion = "2013.20140215";
   texmfSrc = fetchurl {
-    url = mirror://debian/pool/main/t/texlive-base/texlive-base_2013.20140123.orig.tar.xz;
-    sha256 = "1lwvqryfykz0d9pcjkhq1qh7dlcb6lsvjp7fizl18ji6166159iw";
+    url = "mirror://debian/pool/main/t/texlive-base/texlive-base_${texmfVersion}.orig.tar.xz";
+    sha256 = "0f1xqa1a1yklsiqz12rgihdc6viw8ghdbx2s2pw2k3h0dfsd6ss3";
   };
 
+  langTexmfVersion = "2013.20140215";
   langTexmfSrc = fetchurl {
-    url = mirror://debian/pool/main/t/texlive-lang/texlive-lang_2013.20140123.orig.tar.xz;
-    sha256 = "1smzkg31msn9ci7fc69xq5klhxab00z8bcxmz5daqzcal8ak3d2d";
+    url = "mirror://debian/pool/main/t/texlive-lang/texlive-lang_${langTexmfVersion}.orig.tar.xz";
+    sha256 = "0igz9kpd1rfbq7smb1wyd75cz396rinbh25rk19lxqh25dix0xzj";
   };
 
   passthru = { inherit texmfSrc langTexmfSrc; };