diff --git a/nauty-popcnt.patch b/nauty-popcnt.patch
index d380f22..308e44f 100644
--- a/nauty-popcnt.patch
+++ b/nauty-popcnt.patch
@@ -236,7 +236,7 @@ Last-Update: 2016-04-20
  
 --- a/directg.c
 +++ b/directg.c
-@@ -380,6 +380,16 @@ scan(int level, int ne, int minarcs, int
+@@ -383,6 +383,16 @@ scan(int level, int ne, int minarcs, int
      return level-1;
  }
  
@@ -253,7 +253,7 @@ Last-Update: 2016-04-20
  /**************************************************************************/
  
  static void
-@@ -406,8 +416,7 @@ direct(graph *g, int nfixed, long minarc
+@@ -409,8 +419,7 @@ direct(graph *g, int nfixed, long minarc
      ne = 0;
      for (i = 0, gi = g; i < n; ++i, gi += m)
      {
@@ -1111,7 +1111,7 @@ Last-Update: 2016-04-20
          if (thisdeg == 0) lab[++j0] = i;
 --- a/naugraph.c
 +++ b/naugraph.c
-@@ -173,16 +173,17 @@ updatecan(graph *g, graph *canong, int *
+@@ -174,16 +174,17 @@ updatecan(graph *g, graph *canong, int *
  *                                                                            *
  *****************************************************************************/
  
@@ -1132,7 +1132,7 @@ Last-Update: 2016-04-20
      int i,c1,c2,labc1;
      setword x;
      set *set1,*set2;
-@@ -192,11 +193,9 @@ refine(graph *g, int *lab, int *ptn, int
+@@ -193,11 +194,9 @@ refine(graph *g, int *lab, int *ptn, int
      set *gptr;
      int maxcell,maxpos,hint;
  
@@ -1147,7 +1147,7 @@ Last-Update: 2016-04-20
  
      longcode = *numcells;
      split1 = -1;
-@@ -324,7 +323,7 @@ refine(graph *g, int *lab, int *ptn, int
+@@ -325,7 +324,7 @@ refine(graph *g, int *lab, int *ptn, int
  
      longcode = MASH(longcode,*numcells);
      *code = CLEANUP(longcode);
@@ -1156,7 +1156,7 @@ Last-Update: 2016-04-20
  #endif /* else case of MAXM==1 */
  
  /*****************************************************************************
-@@ -336,9 +335,8 @@ refine(graph *g, int *lab, int *ptn, int
+@@ -337,9 +336,8 @@ refine(graph *g, int *lab, int *ptn, int
  *                                                                            *
  *****************************************************************************/
  
@@ -1168,7 +1168,7 @@ Last-Update: 2016-04-20
  {
      int i,c1,c2,labc1;
      setword x;
-@@ -348,10 +346,8 @@ refine1(graph *g, int *lab, int *ptn, in
+@@ -349,10 +347,8 @@ refine1(graph *g, int *lab, int *ptn, in
      set *gptr,workset0;
      int maxcell,maxpos,hint;
  
@@ -1181,7 +1181,7 @@ Last-Update: 2016-04-20
  
      longcode = *numcells;
      split1 = -1;
-@@ -474,7 +470,7 @@ refine1(graph *g, int *lab, int *ptn, in
+@@ -475,7 +471,7 @@ refine1(graph *g, int *lab, int *ptn, in
  
      longcode = MASH(longcode,*numcells);
      *code = CLEANUP(longcode);
diff --git a/nauty.rpmlintrc b/nauty.rpmlintrc
new file mode 100644
index 0000000..295e626
--- /dev/null
+++ b/nauty.rpmlintrc
@@ -0,0 +1,5 @@
+# THIS FILE IS FOR WHITELISTING RPMLINT ERRORS AND WARNINGS IN TASKOTRON
+# https://fedoraproject.org/wiki/Taskotron/Tasks/dist.rpmlint#Whitelisting_errors
+
+# Spelling errors
+addFilter(r'W: spelling-error .* (automorphism|geng|gtools|multigraphs|(N|n)auty)')
diff --git a/nauty.spec b/nauty.spec
index ef54fcd..0227730 100644
--- a/nauty.spec
+++ b/nauty.spec
@@ -1,9 +1,9 @@
-%global nautybasever    2.6r11
+%global nautybasever    2.6r12
 %global nautytarver     %(tr -d . <<< %{nautybasever})
 
 Name:           nauty
 Version:        %(tr r . <<< %{nautybasever})
-Release:        3%{?dist}
+Release:        1%{?dist}
 Summary:        Graph canonical labeling and automorphism group computation
 
 License:        ASL 2.0
@@ -123,6 +123,9 @@ make check
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Tue Oct 15 2019 Jerry James <loganjerry@gmail.com> - 2.6.12-1
+- New upstream version
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.11-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index 024c9fc..d1c35fe 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nauty26r11.tar.gz) = 673dc242e6e0a25d4f52c65c39248ec8910e89c0c169b1c22b6f49a56cf4bc465815c0a68c23373f0bb92665acc5e54371181fdeabd01a900b5fd615938a7e43
+SHA512 (nauty26r12.tar.gz) = ac71af163bd2490171adea31bb3dec12a900c495365c069a5a7bbb42ca20d668bb4f319e9f9a43d85d6bd8b1842ff1a60dda5d2dc4cd89a902d78c40bfd6beb6