diff --git a/glibc-rh1315108.patch b/glibc-rh1315108.patch
index 88bf4ae..5493c2a 100644
--- a/glibc-rh1315108.patch
+++ b/glibc-rh1315108.patch
@@ -368,10 +368,10 @@ Index: b/include/alloca.h
  #endif
  
  # endif /* !_ISOMAC */
-Index: b/nis/nss_compat/compat-initgroups.c
+Index: b/nss/nss_compat/compat-initgroups.c
 ===================================================================
---- a/nis/nss_compat/compat-initgroups.c
-+++ b/nis/nss_compat/compat-initgroups.c
+--- a/nss/nss_compat/compat-initgroups.c
++++ b/nss/nss_compat/compat-initgroups.c
 @@ -262,7 +262,6 @@ getgrent_next_nss (ent_t *ent, char *buf
  		 overwrite the pointer with one to a bigger buffer.  */
  	      char *tmpbuf = buffer;
diff --git a/glibc.spec b/glibc.spec
index 06af9d6..84766e9 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir  glibc-2.26-427-g1e2bffd05c
+%define glibcsrcdir  glibc-2.26-513-g11c4f5010c
 %define glibcversion 2.26.90
-%define glibcrelease 16%{?dist}
+%define glibcrelease 17%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -2060,6 +2060,16 @@ fi
 %endif
 
 %changelog
+* Wed Oct 04 2017 Florian Weimer <fweimer@redhat.com> - 2.26.90-17
+- Auto-sync with upstream master,
+  commit 11c4f5010c58029e73e656d5df4f8f42c9b8e877:
+- crypt: Use NSPR header files in addition to NSS header files (#1489339)
+- math: Fix yn(n,0) without SVID wrapper (swbz#22244)
+- math: Fix log2(0) and log(10) in downward rounding (swbz#22243)
+- math: Add C++ versions of iscanonical for ldbl-96, ldbl-128ibm (swbz#22235)
+- powerpc: Optimize memrchr for power8
+- Hide various internal functions (swbz#18822)
+
 * Sat Sep 30 2017 Florian Weimer <fweimer@redhat.com> - 2.26.90-16
 - Auto-sync with upstream master,
   commit 1e2bffd05c36a9be30d7092d6593a9e9aa009ada:
diff --git a/sources b/sources
index 049443a..f504dce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.26-427-g1e2bffd05c.tar.gz) = b0867410b4fc0eca80c090fa9ed3a7cfff69863e45acb7193d8221d2c81199fcf92f12b6c044962edb27cdf3cf1de88ef899f0f08b1f385ffa3e1a1708c061b3
+SHA512 (glibc-2.26-513-g11c4f5010c.tar.gz) = 0b11eb37e652161942dd933cda408fc253a20f936be105f62a144e4b939de23021d3e91135f7796709306850d5c93869810deea225b063cc2a51cb7e8f1576e2